Publications

  1. Li Z, Leng S, Halaweish AF, Yu Z, Yu L, Ritman EL, McCollough CH. Overcoming calcium blooming and improving the quantification accuracy of percent area luminal stenosis by material decomposition of multi-energy computed tomography datasets. J Med Imaging (Bellingham). 2020 Sep; 7 (5):053501 Epub 2020 Oct 01
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  2. Sheikhzadeh M, Vercnocke AJ, Tao S, Rajendran K, Leng S, Ritman EL, McCollough CH. Impact of Effective Detector Pixel and CT Voxel Size on Accurate Estimation of Blood Volume in Opacified Microvasculature. Acad Radiol. 2019 Oct; 26 (10):1410-1416 Epub 2018 Dec 07
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  3. Ritman EL, Vercnocke AJ, Zamir M. Probing the Depth of the Myocardium: Vasculature, Transit Time, and Perfusion Within the Left Ventricular Wall. Ann Biomed Eng. 2019 May; 47 (5):1281-1290 Epub 2019 Feb 07
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  4. Marsh JF, Jorgensen SM, Rundle DS, Vercnocke AJ, Leng S, Butler PH, McCollough CH, Ritman EL. Evaluation of a photon counting Medipix3RX cadmium zinc telluride spectral x-ray detector. J Med Imaging (Bellingham). 2018 Oct; 5 (4):043503 Epub 2018 Dec 04
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  5. Rajendran K, Leng S, Jorgensen SM, Anderson JL, Halaweish AF, Abdurakhimova D, Ritman EL, McCollough CH. Measuring arterial wall perfusion using photon-counting computed tomography (CT): improving CT number accuracy of artery wall using image deconvolution. J Med Imaging (Bellingham). 2017 Oct; 4 (4):044006 Epub 2017 Dec 08
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  6. van Alphen NA, Morsy M, Laungani AT, Kadar A, Vercnocke AJ, Lachman N, Ritman EL, Moran SL. A Three-Dimensional Micro-Computed Tomographic Study of the Intraosseous Lunate Vasculature: Implications for Surgical Intervention and the Development of Avascular Necrosis. Plast Reconstr Surg. 2016 Nov; 138 (5):869e-878e
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  7. Leng S, Yu Z, Halaweish A, Kappler S, Hahn K, Henning A, Li Z, Lane J, Levin DL, Jorgensen S, Ritman E, McCollough C. Dose-efficient ultrahigh-resolution scan mode using a photon counting detector computed tomography system. J Med Imaging (Bellingham). 2016 Oct; 3 (4):043504 Epub 2016 Dec 22
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  8. Gutjahr R, Halaweish AF, Yu Z, Leng S, Yu L, Li Z, Jorgensen SM, Ritman EL, Kappler S, McCollough CH. Human Imaging With Photon Counting-Based Computed Tomography at Clinical Dose Levels: Contrast-to-Noise Ratio and Cadaver Studies. Invest Radiol. 2016 Jul; 51 (7):421-9
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  9. Yu Z, Leng S, Li Z, Halaweish AF, Kappler S, Ritman EL, McCollough CH. How Low Can We Go in Radiation Dose for the Data-Completion Scan on a Research Whole-Body Photon-Counting Computed Tomography System. J Comput Assist Tomogr. 2016 Jul-Aug; 40 (4):663-70
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  10. Yu Z, Leng S, Jorgensen SM, Li Z, Gutjahr R, Chen B, Halaweish AF, Kappler S, Yu L, Ritman EL, McCollough CH. Evaluation of conventional imaging performance in a research whole-body CT system with a photon-counting detector array. Phys Med Biol. 2016 Feb 21; 61 (4):1572-95 Epub 2016 Feb 02
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  11. Zamir M, Vercnocke AJ, Edwards PK, Anderson JL, Jorgensen SM, Ritman EL. Myocardial Perfusion: Characteristics of Distal Intramyocardial Arteriolar Trees. Ann Biomed Eng. 2015 Nov; 43 (11):2771-9 Epub 2015 May 08
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  12. Miller WL, Behrenbeck TR, McCollough CH, Williamson EE, Leng S, Kline TL, Ritman EL. Coronary microcirculation changes in non-ischemic dilated cardiomyopathy identified by novel perfusion CT. Int J Cardiovasc Imaging. 2015 Apr; 31 (4):881-8 Epub 2015 Feb 25
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  13. Aoki T, Rodriguez-Porcel M, Matsuo Y, Cassar A, Kwon TG, Franchi F, Gulati R, Kushwaha SS, Lennon RJ, Lerman LO, Ritman EL, Lerman A. Evaluation of coronary adventitial vasa vasorum using 3D optical coherence tomography--animal and human studies. Atherosclerosis. 2015 Mar; 239 (1):203-8 Epub 2015 Jan 20
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  14. Ritman EL. Earl Wood--a research career noted for development of novel instruments driven by the power of the indicator dilution concept. J Appl Physiol (1985). 2014 Nov 1; 117(9):945-56. Epub 2014 Sep 04.
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  15. Kumar AH, Martin K, Doyle B, Huang CL, Pillai GK, Ali MT, Skelding KA, Wang S, Gleeson BM, Jahangeer S, Ritman EL, Russell SJ, Caplice NM. Intravascular cell delivery device for therapeutic VEGF-induced angiogenesis in chronic vascular occlusion. Biomaterials. 2014 Oct; 35(32):9012-22. Epub 2014 Aug 02.
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  16. Kline TL, Knudsen BE, Anderson JL, Vercnocke AJ, Jorgensen SM, Ritman EL. Anatomy of hepatic arteriolo-portal venular shunts evaluated by 3D micro-CT imaging. J Anat. 2014 Jun; 224 (6):724-31 Epub 2014 Mar 31
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  17. Kampschulte M, Gunkel I, Stieger P, Sedding DG, Brinkmann A, Ritman EL, Krombach GA, Langheinrich AC. Thalidomide influences atherogenesis in aortas of ApoE-/-/ LDLR-/- double knockout mice: A nano-CT study. Int J Cardiovasc Imaging. 2014; 30(4):795-802.
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  18. Vercnocke AJ, Anderson JL, Jorgensen SM, Ritman EL. CT image-based quantification of sub-pixel diameter microparticle accumulations in tissues using a priori biological information. Proceedings of SPIE - The International Society for Optical Engineering. 2014; 9212:92121C.
  19. Moritz R, Anderson JL, Vercnocke AJ, Wentz RJ, Ritman EL. Changes in CT angiographic opacification of porcine coronary artery wall with patchy altered flow in vasa vasorum. Int J Cardiovasc Imaging. 2013 Aug; 29(6):1325-33. Epub 2013 Feb 27.
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  20. Beighley PE, Zamir M, Wentz RJ, Koch LG, Britton SL, Ritman EL. Vascularity of myocardium and gastrocnemius muscle in rats selectively bred for endurance running capacity. Physiol Genomics. 2013 Feb 4; 45 (3):119-25 Epub 2012 Dec 11
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  21. Kampschulte M, Schneider CR, Litzlbauer HD, Tscholl D, Schneider C, Zeiner C, Krombach GA, Ritman EL, Bohle RM, Langheinirch AC. Quantitative 3D micro-CT imaging of human lung tissue. RoFo Fortschritte auf dem Gebiet der Rontgenstrahlen und der Bildgebenden Verfahren. 2013; 185(9):869-76.
  22. Hirata T, Cabrero P, Berkholz DS, Bondeson DP, Ritman EL, Thompson JR, Dow JA, Romero MF. In vivo Drosophilia genetic model for calcium oxalate nephrolithiasis. Am J Physiol Renal Physiol. 2012 Dec 1; 303 (11):F1555-62 Epub 2012 Sept 19
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  23. Zamir M, Twynstra J, Vercnocke AJ, Welch I, Jorgensen SM, Ritman EL, Holdsworth DW, Shoemaker JK. Intrinsic microvasculature of the sciatic nerve in the rat. J Peripher Nerv Syst. 2012 Dec; 17(4):377-84.
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  24. Moritz R, Eaker DR, Anderson JL, Kline TL, Jorgensen SM, Lerman A, Ritman EL. IVUS detection of vasa vasorum blood flow distribution in coronary artery vessel wall. JACC Cardiovasc Imaging. 2012 Sep; 5 (9):935-40
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  25. Han X, Bian JG, Ritman EL, Sidky EY, Pan XC. Optimization-based reconstruction of sparse images from few-view projections. Phys Med Biol. 2012 Aug 21; 57(16).
  26. Sangaralingham SJ, Ritman EL, McKie PM, Ichiki T, Lerman A, Scott CG, Martin FL, Harders GE, Bellavia D, Burnett JC Jr. Cardiac micro-computed tomography imaging of the aging coronary vasculature. Circ Cardiovasc Imaging. 2012 Jul; 5 (4):518-24 Epub 2012 June 07
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  27. Kline TL, Ritman EL. Characterization of the pore labyrinth geometry of sea sponges imaged by micro-ct. Journal Of Porous Materials. 2012 Apr; 19(2):141-51.
  28. Masyuk TV, Radtke BN, Stroope AJ, Banales JM, Masyuk AI, Gradilone SA, Gajdos GB, Chandok N, Bakeberg JL, Ward CJ, Ritman EL, Kiyokawa H, LaRusso NF. Inhibition of Cdc25A suppresses hepato-renal cystogenesis in rodent models of polycystic kidney and liver disease. Gastroenterology. 2012 Mar; 142 (3):622-633.e4 Epub 2011 Dec 07
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  29. Ramirez-Giraldo JC, Yu L, Kantor B, Ritman EL, McCollough CH. A strategy to decrease partial scan reconstruction artifacts in myocardial perfusion CT: phantom and in vivo evaluation. Med Phys. 2012 Jan; 39 (1):214-23
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  30. Wang J, Garg N, Duan X, Liu Y, Leng S, Yu L, Ritman EL, Kantor B, McCollough CH. Quantification of iron in the presence of calcium with dual-energy computed tomography (DECT) in an ex vivo porcine plaque model. Phys Med Biol. 2011 Nov 21; 56: (22)7305-16.
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  31. Liu B, Wang G, Ritman EL, Cao G, Lu J, Zhou O, Zeng L, Yu H. Image reconstruction from limited angle projections collected by multisource interior x-ray imaging systems. Phys Med Biol. 2011 Oct 7; 56(19):6337-57. Epub 2011 Sep 09.
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  32. Ritman EL. Current status of developments and applications of micro-CT. Annu Rev Biomed Eng. 2011 Aug 15; 13:531-52.
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  33. Malyar NM, Lerman LO, Gossl M, Beighley PE, Ritman EL. Relationship between surface area of nonperfused myocardium and extravascular extraction of contrast agent following coronary microembolization. Am J Physiol Regul Integr Comp Physiol. 2011 Aug; 301 (2):R430-7 Epub 2011 May 04
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  34. Thabut D, Routray C, Lomberk G, Shergill U, Glaser K, Huebert R, Patel L, Masyuk T, Blechacz B, Vercnocke A, Ritman E, Ehman R, Urrutia R, Shah V. Complementary vascular and matrix regulatory pathways underlie the beneficial mechanism of action of sorafenib in liver fibrosis. Hepatology. 2011 Aug; 54 (2):573-85 Epub 2011 June 26
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  35. Han X, Bian J, Eaker DR, Kline TL, Sidky EY, Ritman EL, Pan X. Algorithm-enabled low-dose micro-CT imaging. IEEE Trans Med Imaging. 2011 Mar; 30(3):606-20. Epub 2010 Oct 25.
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  36. Stolz E, Yeniguen M, Kreisel M, Kampschulte M, Doenges S, Sedding D, Ritman EL, Gerriets T, Langheinrich AC. Angioarchitectural changes in subacute cerebral venous thrombosis. A synchrotron-based micro- and nano-CT study. Neuroimage. 2011 Feb 1; 54(3):1881-6. Epub 2010 Oct 23.
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  37. Hann CR, Bentley MD, Vercnocke A, Ritman EL, Fautsch MP. Imaging the aqueous humor outflow pathway in human eyes by three-dimensional micro-computed tomography (3D micro-CT). Exp Eye Res. 2011 Feb; 92 (2):104-11 Epub 2010 Dec 25
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  38. Leahy MJ, Wang R, Foster S, Ritman E, Wang L, Steenbergen W, Tromberg B, Larin K, Duncan D, Tuchin V, Liebert A. Report on the panel discussion on harnessing biophotonics for better healthcare and the creation of an international microcirculation imaging lab. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2011; 7898:xiii-xv.
  39. Ritman EL. Role of microcomputed tomography in microvascular imaging. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2011; 7898.
  40. Kline TL, Zamir M, Ritman EL. Relating function to branching geometry: a micro-CT study of the hepatic artery, portal vein, and biliary tree. Cells Tissues Organs. 2011; 194 (5):431-42 Epub 2011 Apr 13
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  41. Jorgensen SM, Eaker DR, Ritman EL. Biomedical spectral x-ray imaging; Promises and challenges. Proceedings of SPIE - The International Society for Optical Engineering. 2011; 8139:xv-xxiv.
  42. Jorgensen SM, Eaker DR, Ritman EL. Biomedical spectral x-ray imaging; Promises and challenges. Proceedings of SPIE - The International Society for Optical Engineering. 2011; 8140:xiii-xxii.
  43. Eaker DR, Jorgensen SM, Cui C-W, Ritman EL. Micro-tomography of coherent x-ray scatter using an x-ray collimator and spectral imaging array. Comtemporary Mathematics. 2011; 559:171-80.
  44. Dzyubak OP, Ritman EL. Automation of Hessian-Based Tubularity Measure Response Function in 3D Biomedical Images. Int J Biomed Imaging. 2011; 2011:920401 Epub 2011 Feb 22
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  45. Cui C, Jorgensen SM, Eaker DR, Ritman EL. Direct three-dimensional coherently scattered x-ray microtomography. Med Phys. 2010 Dec; 37(12):6317-22.
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  46. Den Buijs JO, Ritman EL, Dragomir-Daescu D. Validation of a fluid-structure interaction model of solute transport in pores of cyclically deformed tissue scaffolds. Tissue Eng Part C Methods. 2010 Oct; 16 (5):1145-56
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  47. Kampschulte M, Brinkmann A, Stieger P, Sedding DG, Dierkes C, Bohle RM, Krombach G, Ritman EL, Langheinrich AC. Quantitative CT imaging of the spatio-temporal distribution patterns of vasa vasorum in aortas of apoE-/-/LDL-/- double knockout mice. Atherosclerosis. 2010 Oct; 212(2):444-50. Epub 2010 Jul 17.
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  48. Kline TL, Zamir M, Ritman EL. Accuracy of microvascular measurements obtained from micro-CT images. Ann Biomed Eng. 2010 Sep; 38 (9):2851-64 Epub 2010 May 11
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  49. Litzlbauer HD, Korbel K, Kline TL, Jorgensen SM, Eaker DR, Bohle RM, Ritman EL, Langheinrich AC. Synchrotron-based micro-CT imaging of the human lung acinus. Anat Rec (Hoboken). 2010 Sep; 293(9):1607-14.
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  50. de Kemp RA, Epstein FH, Catana C, Tsui BM, Ritman EL. Small-animal molecular imaging methods. J Nucl Med. 2010 May 1; 51 Suppl 1:18S-32S.
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  51. Stroope A, Radtke B, Huang B, Masyuk T, Torres V, Ritman E, LaRusso N. Hepato-renal pathology in pkd2ws25/- mice, an animal model of autosomal dominant polycystic kidney disease. Am J Pathol. 2010 Mar; 176 (3):1282-91 Epub 2010 Jan 21
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  52. Moritz R, Eaker DR, Langheinrich AC, Jorgensen SM, Bohle RM, Ritman EL. Quantification of vasa vasorum density in multi-slice computed tomographic coronary angiograms: role of computed tomographic image voxel size. J Comput Assist Tomogr. 2010 Mar-Apr; 34 (2):273-8
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  53. Easter RN, Qilin Chan, Lai B, Ritman EL, Caruso JA, Zhenyu Qin. Vascular metallomics: copper in the vasculature. Vasc Med. 2010 Feb; 15(1):61-9. Epub 2009 Oct 6.
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  54. Gossl M, Versari D, Hildebrandt HA, Bajanowski T, Sangiorgi G, Erbel R, Ritman EL, Lerman LO, Lerman A. Segmental heterogeneity of vasa vasorum neovascularization in human coronary atherosclerosis. JACC Cardiovasc Imaging. 2010 Jan; 3 (1):32-40 Epub 2010 Jan 12
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  55. Han X, Bian J, Eaker DR, Kline TL, Sidky EY, Ritman EL, Pan X. Image reconstruction from a reduced number of projections in Micro-CT specimen imaging. IEEE Nuclear Science Symposium Conference Record. 2010; 3466-9.
  56. Kline TL, Dong Y, Zamir M, Ritman EL. Erode/dilate analysis of micro-CT images of porcine myocardial microvasculature. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2010; 7626:762620.
  57. Eaker DR, Jorgensen SM, Butler APH, Ritman EL. Tomographic imaging of coherent X-ray scatter momentum transfer distribution using spectral X-ray detection and polycapillary optic. Proceedings of SPIE - The International Society for Optical Engineering. 2010; 7804:78041O.
  58. Han X, Bian J, Eaker DR, Sidky EY, Ritman EL, Pan X. A preliminary study of few-view image reconstruction of sparse objects in cone-beam micro-CT. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2010; 7622(Part 2):76222P.
  59. Gossl M, Versari D, Lerman LO, Chade AR, Beighley PE, Erbel R, Ritman EL. Low vasa vasorum densities correlate with inflammation and subintimal thickening: potential role in location--determination of atherogenesis. Atherosclerosis. 2009 Oct; 206 (2):362-8 Epub 2009 Mar 25
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  60. Den Buijs JO, Dragomir-Daescu D, Ritman EL. Cyclic deformation-induced solute transport in tissue scaffolds with computer designed, interconnected, pore networks: experiments and simulations. Ann Biomed Eng. 2009 Aug; 37 (8):1601-12 Epub 2009 May 23
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  61. Den Buijs JO, Lu L, Jorgensen SM, Dragomir-Daescu D, Yaszemski MJ, Ritman EL. Solute transport in cyclically deformed porous tissue scaffolds with controlled pore cross-sectional geometries. Tissue Eng Part A. 2009 Aug; 15 (8):1989-99
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  62. Langheinrich AC, Kampschulte M, Crossmann C, Moritz R, Rau WS, Bohle RM, Ritman EL. Role of computed tomography voxel size in detection and discrimination of calcium and iron deposits in atherosclerotic human coronary artery specimens. J Comput Assist Tomogr. 2009 Jul-Aug; 33(4):517-22.
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  63. Eaker DR, Dzyubak B, Jorgensen SM, Ritman EL. A CCD based approach to collimated photon counting imaging for micro-SPECT/CT. Annu Int Conf IEEE Eng Med Biol Soc. 2009; 2009:990-2
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  64. Langheinrich AC, Sedding DG, Kampschulte M, Moritz R, Wilhelm J, Haberbosch WG, Ritman EL, Bohle RM. 3-Deazaadenosine inhibits vasa vasorum neovascularization in aortas of ApoE(-/-)/LDL-/- double knockout mice. Atherosclerosis. 2009 Jan; 202(1):103-10.
  65. Murad SD, Dom VAL, Ritman EL, de Groen PC, Beigley PE, Abraham SC, Zondervan PE, Janssen HLA. Early changes of the portal tract on microcomputed tomography images in a newly-developed rat model for Budd-Chiari syndrome. J Gastroenterol Hepatol. 2008 Oct; 23(10):1561-6.
  66. Ritman EL. Vision 2020: increased image resolution versus reduced radiation exposure. Med Phys. 2008 Jun; 35: (6)2502-12.
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  67. Jorgensen SM, Eaker DR, Vercnocke AJ, Ritman EL. Reproducibility of global and local reconstruction of three-dimensional micro-computed tomography of iliac crest biopsies. IEEE Trans Med Imaging. 2008 Apr; 27: (4)569-75.
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  68. Wischgoll T, Choy JS, Ritman EL, Kassab GS. Validation of image-based method for extraction of coronary morphometry. Ann Biomed Eng. 2008 Mar; 36(3):356-68. Epub 2008 Jan 29.
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  69. Primak AN, Dong Y, Dzyubak OP, Jorgensen SM, McCollough CH, Ritman EL. A technical solution to avoid partial scan artifacts in cardiac MDCT. Med Phys. 2007 Dec; 34 (12):4726-37
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  70. Lee J, Beighley P, Ritman E, Smith N. Automatic segmentation of 3D micro-CT coronary vascular images. Med Image Anal. 2007 Dec; 11(6):630-47. Epub 2007 Aug 01.
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  71. Yu KC, Ritman EL, Higgins WE. System for the analysis and visualization of large 3D anatomical trees. Comput Biol Med. 2007 Dec; 37(12):1802-20.
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  72. Ritman EL. Small-animal CT - Its Difference from, and Impact on, Clinical CT. Nucl Instrum Methods Phys Res A. 2007 Oct 1; 580 (2):968-970
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  73. Zhu XY, Bentley MD, Chade AR, Ritman EL, Lerman A, Lerman LO. Early changes in coronary artery wall structure detected by microcomputed tomography in experimental hypercholesterolemia. Am J Physiol Heart Circ Physiol. 2007 Sep; 293 (3):H1997-2003 Epub 2007 June 15
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  74. Ritman EL, Lerman A. The dynamic vasa vasorum. Cardiovasc Res. 2007 Sep 1; 75 (4):649-58 Epub 2007 June 29
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  75. Dedkov EI, Thomas MT, Sonka M, Yang F, Chittenden TW, Rhodes JM, Simons M, Ritman EL, Tomanek RJ. Synectin/syndecan-4 regulate coronary arteriolar growth during development. Dev Dyn. 2007 Jul; 236(7):2004-10.
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  76. Ohuchi H, Beighley PE, Dong Y, Zamir M, Ritman EL. Microvascular development in porcine right and left ventricular walls. Pediatr Res. 2007 Jun; 61(6):676-80.
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  77. Gossl M, Versari D, Mannheim D, Ritman EL, Lerman LO, Lerman A. Increased spatial vasa vasorum density in the proximal LAD in hypercholesterolemia--implications for vulnerable plaque-development. Atherosclerosis. 2007 Jun; 192: (2)246-52.
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  78. Daghini E, Primak AN, Chade AR, Krier JD, Zhu XY, Ritman EL, McCollough CH, Lerman LO. Assessment of renal hemodynamics and function in pigs with 64-section multidetector CT: comparison with electron-beam CT. Radiology. 2007 May; 243 (2):405-12
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  79. Daghini E, Primak AN, Chade AR, Zhu X, Ritman EL, McCollough CH, Lerman LO. Evaluation of porcine myocardial microvascular permeability and fractional vascular volume using 64-slice helical computed tomography (CT). Invest Radiol. 2007 May; 42: (5)274-82.
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  80. Langheinrich AC, Michniewicz A, Sedding DG, Lai B, Jorgensen SM, Bohle RM, Ritman EL. Quantitative X-ray imaging of intraplaque hemorrhage in aortas of apoE(-/-)/LDL(-/-) double knockout mice. Invest Radiol. 2007 May; 42: (5)263-73.
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  81. Mannheim D, Versari D, Daghini E, Gossl M, Galili O, Chade A, Rajkumar VS, Ritman EL, Lerman LO, Lerman A. Impaired myocardial perfusion reserve in experimental hypercholesterolemia is independent of myocardial neovascularization. Am J Physiol Heart Circ Physiol. 2007 May; 292 (5):H2449-58 Epub 2007 Jan 05
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  82. Lee KW, Wang S, Fox BC, Ritman EL, Yaszemski MJ, Lu L. Poly(propylene fumarate) bone tissue engineering scaffold fabrication using stereolithography: effects of resin formulations and laser parameters. Biomacromolecules. 2007 Apr; 8(4):1077-84. Epub 2007 Feb 28.
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  83. Zhu XY, Daghini E, Chade AR, Napoli C, Ritman EL, Lerman A, Lerman LO. Simvastatin prevents coronary microvascular remodeling in renovascular hypertensive pigs. J Am Soc Nephrol. 2007 Apr; 18(4):1209-17. Epub 2007 Mar 07.
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  84. Bentley MD, Jorgensen SM, Lerman LO, Ritman EL, Romero JC. Visualization of three-dimensional nephron structure with microcomputed tomography. Anatomical Record. 2007 Mar; 290: (3)277-83.
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  85. Langheinrich AC, Michniewicz A, Bohle RM, Ritman EL. Vasa vasorum neovascularization and lesion distribution among different vascular beds in ApoE-/-/LDL-/- double knockout mice. Atherosclerosis. 2007 Mar; 191(1):73-81. Epub 2006 Jun 27.
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  86. Daghini E, Ritman EL, Lerman LO. Examine thy heart with all diligence: evaluation of cardiac function using fast computed tomography. Hypertension. 2007 Feb; 49: (2)249-56.
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  87. Ritman EL, Lerman A. Role of vasa vasorum in arterial disease: A re-emerging factor. Current Cardiology Reviews. 2007; 3(1):43-55.
  88. Op Den Buijs J, Bajzer Z, Ritman EL. Branching morphology of the rat hepatic portal vein tree: a micro-CT study. Ann Biomed Eng. 2006 Sep; 34: (9)1420-8.
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  89. Borah B, Dufresne TE, Ritman EL, Jorgensen SM, Liu S, Chmielewski PA, Phipps RJ, Zhou X, Sibonga JD, Turner RT. Long-term risedronate treatment normalizes mineralization and continues to preserve trabecular architecture: sequential triple biopsy studies with micro-computed tomography. Bone. 2006 Aug; 39(2):345-52. Epub 2006 Mar 29.
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  90. Langheinrich AC, Ritman EL. Quantitative imaging of microvascular permeability in a rat model of lipopolysaccharide-induced sepsis: evaluation using cryostatic micro-computed tomography. Invest Radiol. 2006 Aug; 41 (8):645-50
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  91. Nordsletten DA, Blackett S, Bentley MD, Ritman EL, Smith NP. Structural morphology of renal vasculature. Am J Physiol Heart Circ Physiol. 2006 Jul; 291(1):H296-309. Epub 2006 Jan 06.
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  92. Chareonthaitawee P, Christenson SD, Anderson JL, Kemp BJ, Hodge DO, Ritman EL, Gibbons RJ. Reproducibility of measurements of regional myocardial blood flow in a model of coronary artery disease: Comparison of H215O and 13NH3 PET techniques. J Nucl Med. 2006 Jul; 47(7):1193-201.
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  93. Rodriguez-Porcel M, Zhu XY, Chade AR, Amores-Arriaga B, Caplice NM, Ritman EL, Lerman A, Lerman LO. Functional and structural remodeling of the myocardial microvasculature in early experimental hypertension. Am J Physiol Heart Circ Physiol. 2006 Mar; 290 (3):H978-84 Epub 2005 Oct 07
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  94. Langheinrich AC, Michniewicz A, Sedding DG, Walker G, Beighley PE, Rau WS, Bohle RM, Ritman EL. Correlation of vasa vasorum neovascularization and plaque progression in aortas of apolipoprotein E(-/-)/low-density lipoprotein(-/-) double knockout mice. Arterioscler Thromb Vasc Biol. 2006 Feb; 26(2):347-52. Epub 2005 Nov 17.
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  95. Jorgensen SM, Eaker DR, Vercnocke AJ, Ritman EL. Reproducibility of 3D micro-CT gray-scale and structural dimension data in longitudinal studies. Proc of SPIE Medical Imaging Function, and Structure from Medical Images. 2006 2006; 6143(Prt 2):61433H-1-9.
  96. Toyota E, Warltier DC, Brock T, Ritman E, Kolz C, O'Malley P, Rocic P, Focardi M, Chilian WM. Vascular endothelial growth factor is required for coronary collateral growth in the rat. Circulation. 2005 Oct 4; 112(14):2108-13.
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  97. Borah B, Ritman EL, Dufresne TE, Jorgensen SM, Liu S, Sacha J, Phipps RJ, Turner RT. The effect of risedronate on bone mineralization as measured by micro-computed tomography with synchrotron radiation: Correlation to histomorphometric indices of turnover. Bone. 2005 Jul; 37(1):1-9.
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  98. Ritman EL. Micro-computed tomography of the lungs and pulmonary-vascular system. Proc Am Thorac Soc. 2005; 2 (6):477-80, 501
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  99. Gossl M, Beighley PE, Malyar NM, Ritman EL. Role of vasa vasorum in transendothelial solute transport in the coronary vessel wall: a study with cryostatic micro-CT. Am J Physiol Heart Circ Physiol. 2004 Nov; 287 (5):H2346-51 Epub 2004 June 03
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  100. Moore MJ, Jabbari E, Ritman EL, Lu LC, Currier BL, Windebank AJ, Yaszemski MJ. Quantitative analysis of interconnectivity of porous biodegradable scaffolds with micro-computed tomography. J Biomed Mater Res A. 2004 Nov 1; 71A(2):258-67.
  101. Masyuk TV, Huang BQ, Masyuk AI, Ritman EL, Torres VE, Wang X, Harris PC, Larusso NF. Biliary dysgenesis in the PCK rat, an orthologous model of autosomal recessive polycystic kidney disease. Am J Pathol. 2004 Nov; 165 (5):1719-30
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  102. Malyar NM, Lerman LO, Gossl M, Beighley PE, Ritman EL. Relation of nonperfused myocardial volume and surface area to left ventricular performance in coronary microembolization. Circulation. 2004 Oct 05; 110: (14)1946-52.
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  103. Zhu XY, Chade AR, Rodriguez-Porcel M, Bentley MD, Ritman EL, Lerman A, Lerman LO. Cortical microvascular remodeling in the stenotic kidney - Role of increased oxidative stress. Arterioscler Thromb Vasc Biol. 2004 Oct; 24(10):1854-9.
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  104. Gossl M, Zamir M, Ritman EL. Vasa vasorum growth in the coronary arteries of newborn pigs. Anat Embryol 2004 Aug; 208(5):351-7.
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  105. Lotinun S, Evans GL, Bronk JT, Bolander ME, Wronski TJ, Ritman EL, Turner RT. Continuous parathyroid hormone induces cortical porosity in the rat: effects on bone turnover and mechanical properties. J Bone Miner Res. 2004 Jul; 19: (7)1165-71.
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  106. Chade AR, Bentley MD, Zhu X, Zhu X, Rodriguez-Porcel M, Niemeyer S, Amores-Arriaga B, Napoli C, Ritman EL, Lerman A, Lerman LO. Antioxidant intervention prevents renal neovascularization in hypercholesterolemic pigs. J Am Soc Nephrol. 2004 Jul; 15 (7):1816-25
    View PubMed
  107. Mohlenkamp S, Ritman EL, Haude M, Erbel R. Minimally invasive quantitation of myocardial microvascular function using computed tomography: the blood volume-to-flow relationship [German]. Z Kardiol. 2004 Jul; 93(7):514-23.
    View PubMed
  108. Pislaru C, Bruce CJ, Anagnostopoulos PC, Allen JL, Seward JB, Pellikka PA, Ritman EL, Greenleaf JF. Ultrasound strain imaging of altered myocardial stiffness: stunned versus infarcted reperfused myocardium. Circulation. 2004 Jun 15; 109: (23)2905-10.
    View PubMed
  109. Malyar NM, Gossl M, Beighley PE, Ritman EL. Relationship between arterial diameter and perfused tissue volume in myocardial microcirculation: a micro-CT-based analysis. Am J Physiol Heart Circ Physiol. 2004 Jun; 286 (6):H2386-92 Epub 2003 Dec 11
    View PubMed
  110. Zhu XY, Rodriguez-Porcel M, Bentley MD, Chade AR, Sica V, Napoli C, Caplice N, Ritman EL, Lerman A, Lerman LO. Antioxidant intervention attenuates myocardial neovascularization in hypercholesterolemia. Circulation. 2004 May 04; 109: (17)2109-15.
    View PubMed
  111. Modder UI, Sanyal A, Kearns AE, Sibonga JD, Nishihara E, Xu J, O'Malley BW, Ritman EL, Riggs BL, Spelsberg TC, Khosla S. Effects of loss of steroid receptor coactivator-1 on the skeletal response to estrogen in mice. Endocrinology. 2004 Feb; 145: (2)913-21.
    View PubMed
  112. Ritman EL. Micro-computed tomography-current status and developments. Annu Rev Biomed Eng. 2004; 6:185-208.
    View PubMed
  113. Fortepiani LA, Ruiz MC, Passardi F, Bentley MD, Garcia-Estan J, Ritman EL, Romero JC. Effect of losartan on renal microvasculature during chronic inhibition of nitric oxide visualized by micro-CT. Am J Physiol Renal Physiol. 2003 Nov; 285: (5)F852-60.
    View PubMed
  114. Gossl M, Malyar NM, Rosol M, Beighley PE, Ritman EL. Impact of coronary vasa vasorum functional structure on coronary vessel wall perfusion distribution. Am J Physiol Heart Circ Physiol. 2003 Nov; 285 (5):H2019-26 Epub 2003 July 10
    View PubMed
  115. Masyuk TV, Huang BQ, Ward CJ, Masyuk AI, Yuan D, Splinter PL, Punyashthiti R, Ritman EL, Torres VE, Harris PC, LaRusso NF. Defects in cholangiocyte fibrocystin expression and ciliary structure in the PCK rat. Gastroenterology. 2003 Nov; 125 (5):1303-10
    View PubMed
  116. Ritman EL. Cardiac computed tomography imaging: a history and some future possibilities. Cardiol Clin. 2003 Nov; 21 (4):491-513, vii
    View PubMed
  117. Ritman EL. Evolution of medical tomographic imaging - As seen from a Darwinian perspective. Proceedings of the IEEE. 2003 Oct; 91(10):1483-91.
  118. Ko CC, Douglas WH, DeLong R, Rohrer MD, Swift JQ, Hodges JS, An KN, Ritman EL. Effects of implant healing time on crestal bone loss of a controlled-load dental implant. J Dent Res. 2003 Aug; 82(8):585-91.
    View PubMed
  119. Gossl M, Rosol M, Malyar NM, Fitzpatrick LA, Beighley PE, Zamir M, Ritman EL. Functional anatomy and hemodynamic characteristics of vasa vasorum in the walls of porcine coronary arteries. Anat Rec A Discov Mol Cell Evol Biol. 2003 Jun; 272: (2)526-37.
    View PubMed
  120. Masyuk TV, Ritman EL, LaRusso NF. Hepatic artery and portal vein remodeling in rat liver: vascular response to selective cholangiocyte proliferation. Am J Pathol. 2003 Apr; 162 (4):1175-82
    View PubMed
  121. Martin EA, Ritman EL, Turner RT. Time course of epiphyseal growth plate fusion in rat tibiae. Bone. 2003 Mar; 32 (3):261-7
    View PubMed
  122. Mohlenkamp S, Beighley PE, Pfeifer EA, Behrenbeck TR, Sheedy PF 2nd, Ritman EL. Intramyocardial blood volume, perfusion and transit time in response to embolization of different sized microvessels. Cardiovasc Res. 2003 Mar; 57 (3):843-52
    View PubMed
  123. Maran A, Khosla S, Riggs BL, Zhang M, Ritman EL, Turner RT. Measurement of gene expression following cryogenic micro-CT scanning of human iliac crest biopsies. J Musculoskelet Neuronal Interact. 2003 Mar; 3(1):83-8.
    View PubMed
  124. Eusemann CD, Ritman EL, Robb RA. Parametric visualization methods for the quantitative assessment of myocardial motion. Acad Radiol. 2003 Jan; 10 (1):66-76
    View PubMed
  125. Go RS, Ritman EL, Owen WG. Angiogenesis in rat aortic rings stimulated by very low concentrations of serum and plasma. Angiogenesis. 2003; 6 (1):25-9
    View PubMed
  126. Rule AD, Bajzer Z, Ritman EL, Lerman LO. Renal handling of X-ray contrast media imaging and exploration with electron beam CT. Ann N Y Acad Sci. 2002 Oct; 972:317-24
    View PubMed
  127. Mohlenkamp S, Lerman LO, Bajzer Z, Lund PE, Ritman EL. Quantification of myocardial microcirculatory function with X-ray CT. Ann N Y Acad Sci. 2002 Oct; 972:307-16.
    View PubMed
  128. Kantor B, Jorgensen SM, Lund PE, Chmelik MS, Reyes DA, Ritman EL. Cryostatic micro-computed tomography imaging of arterial wall perfusion. Scanning. 2002 Jul-Aug; 24 (4):186-90
    View PubMed
  129. Bentley MD, Ortiz MC, Ritman EL, Romero JC. The use of microcomputed tomography to study microvasculature in small rodents. Am J Physiol Regul Integr Comp Physiol. 2002 May; 282(5):R1267-79.
    View PubMed
  130. Herrmann J, Best PJ, Ritman EL, Holmes DR, Holmes DR, Lerman LO, Lerman A. Chronic endothelin receptor antagonism prevents coronary vasa vasorum neovascularization in experimental hypercholesterolemia. J Am Coll Cardiol. 2002 May 1; 39 (9):1555-61
    View PubMed
  131. Bentley MD, Rodriguez-Porcel M, Lerman A, Sarafov MH, Romero JC, Pelaez LI, Grande JP, Ritman EL, Lerman LO. Enhanced renal cortical vascularization in experimental hypercholesterolemia. Kidney Int. 2002 Mar; 61(3):1056-63.
    View PubMed
  132. Wan SY, Ritman EL, Higgins WE. Multi-generational analysis and visualization of the vascular tree in 3D micro-CT images. Comput Biol Med. 2002 Mar; 32(2):55-71.
    View PubMed
  133. Wilson SH, Herrmann J, Lerman LO, Holmes DR Jr, Napoli C, Ritman EL, Lerman A. Simvastatin preserves the structure of coronary adventitial vasa vasorum in experimental hypercholesterolemia independent of lipid lowering. Circulation. 2002 Jan 29; 105 (4):415-8
    View PubMed
  134. Brendzel AM, Rambod E, Jorgensen SM, Reyes DA, Chmelik MS, Ritman EL. Three-dimensional imaging of fractures in outlet struts of Bjork-Shiley convexo-concave heart valves by micro-computed tomography in vitro. J Heart Valve Dis. 2002 Jan; 11(1):114-20.
    View PubMed
  135. Natterer F, Ritman EL. Past and future directions in X-ray computed tomography (CT). International Journal of Imaging Systems & Technology. 2002; 12(4):175-87.
  136. Ritman EL. Molecular imaging in small animals - Roles for micro-CT. J Cell Biochem. 2002; (Suppl 39):116-24.
  137. Eusemann CD, Ritman EL, Bellemann ME, Robb RA. Parametric display of myocardial function. Comput Med Imaging Graph. 2001 Nov-Dec; 25 (6):483-93
    View PubMed
  138. Krier JD, Ritman EL, Bajzer Z, Romero JC, Lerman A, Lerman LO. Noninvasive measurement of concurrent single-kidney perfusion, glomerular filtration, and tubular function. Am J Physiol Renal Physiol. 2001 Oct; 281 (4):F630-8
    View PubMed
  139. Mohlenkamp S, Behrenbeck TR, Lerman A, Lerman LO, Pankratz VS, Sheedy PF 2nd, Weaver AL, Ritman EL. Coronary microvascular functional reserve: quantification of long-term changes with electron-beam CT preliminary results in a porcine model. Radiology. 2001 Oct; 221: (1)229-36.
    View PubMed
  140. Herrmann J, Lerman LO, Rodriguez-Porcel M, Holmes DR Jr, Rodriguez-Porcel M, Holmes DR Jr, Richardson DM, Ritman EL, Lerman A. Coronary vasa vasorum neovascularization precedes epicardial endothelial dysfunction in experimental hypercholesterolemia. Cardiovasc Res. 2001 Sep; 51 (4):762-6
    View PubMed
  141. Turner RT, Bolander ME, Sarkar G, An KN, Maran A, Ritman EL. An integrated approach to assess structure-to-function relationships in the skeleton. J Musculoskelet Neuronal Interact. 2001 Sep; 2(1):3-8.
    View PubMed
  142. Masyuk TV, Ritman EL, LaRusso NF. Quantitative assessment of the rat intrahepatic biliary system by three-dimensional reconstruction. Am J Pathol. 2001 Jun; 158 (6):2079-88
    View PubMed
  143. Simopoulos DN, Gibbons SJ, Malysz J, Szurszewski JH, Farrugia G, Ritman EL, Moreland RB, Nehra A. Corporeal structural and vascular micro architecture with X-ray micro computerized tomography in normal and diabetic rabbits: histopathological correlation. J Urol. 2001 May; 165: (5)1776-82.
    View PubMed
  144. Eusemann CD, Ritman EL, Behrenbeck TR, Robb RA. Measurement and display of regional myocardial motion during post infarct treatment. Stud Health Technol Inform. 2001; 81:139-45.
    View PubMed
  145. Mohlenkamp S, Lerman LO, Lerman A, Behrenbeck TR, Katusic ZS, Sheedy PF 2nd, Ritman EL. Minimally invasive evaluation of coronary microvascular function by electron beam computed tomography. Circulation. 2000 Nov 7; 102 (19):2411-6
    View PubMed
  146. Rodriguez-Porcel M, Rodriguez-Porcel M, Lerman A, Ritman EL, Wilson SH, Best PJ, Lerman LO. Altered myocardial microvascular 3D architecture in experimental hypercholesterolemia. Circulation. 2000 Oct 24; 102 (17):2028-30
    View PubMed
  147. Ortiz MC, Garcia-Sanz A, Bentley MD, Fortepiani LA, Garcia-Estan J, Ritman EL, Romero JC, Juncos LA. Microcomputed tomography of kidneys following chronic bile duct ligation. Kidney Int. 2000 Oct; 58: (4)1632-40.
    View PubMed
  148. Das AK, Oconnor MK, Oconnor MK, Gibbons RJ, Ritman EL, Christian TF. A systematic analysis of factors which may impact upon tomographic perfusion imaging measurements: implications for the use of Tc-99m sestamibi in acute myocardial infarction. Int J Card Imaging. 2000 Aug; 16 (4):293-303
    View PubMed
  149. Kantor B, Ritman EL, Holmes DR Jr, Schwartz RS, Holmes DR. Imaging Angiogenesis with Three-Dimensional Microscopic Computed Tomography. Curr Interv Cardiol Rep. 2000 Aug; 2 (3):204-212
    View PubMed
  150. Schmermund A, Lerman LO, Rumberger JA, Lund PE, Pfeifer EA, Sheedy PF 2nd, Ritman EL. Effects of acute and chronic angiotensin receptor blockade on myocardial vascular blood volume and perfusion in a pig model of coronary microembolization. Am J Hypertens. 2000 Jul; 13 (7):827-37
    View PubMed
  151. Faridani A, Ritman EL. High-resolution computed tomography from efficient sampling. Inverse Probl. 2000 Jun; 16(3):635-650.
  152. Chareonthaitawee P, O'Connor MK, Gibbons RJ, Ritman EL, Christian TF. The effect of collateral flow and myocardial viability on the distribution of technetium-99m sestamibi in a closed-chest model of coronary occlusion and reperfusion. Eur J Nucl Med. 2000 May; 27(5):508-16.
    View PubMed
  153. Sibonga JD, Zhang M, Ritman EL, Turner RT. Restoration of bone mass in the severely osteopenic senescent rat. J Gerontol A Biol Sci Med Sci. 2000 Feb; 55 (2):B71-8; discussion B79-84
    View PubMed
  154. Shi P, Sinusas AJ, Constable RT, Ritman E, Duncan JS. Point-tracked quantitative analysis of left ventricular surface motion from 3-D image sequences. IEEE Trans Med Imaging. 2000 Jan; 19(1):36-50.
    View PubMed
  155. Pao YC, Ritman EL. Shear stresses distribution in porous cross sections of longitudinally twisted bone. Biomedical Engineering - Applications Basis & Communications. 2000; 12:185-92.
  156. Kruger DG, Busse RF, Johnston DL, Ritman EL, Ehman RL, Riederer SJ. Contrast-enhanced 3D MR breathhold imaging of porcine coronary arteries using fluoroscopic localization and bolus triggering. Magn Reson Med. 1999 Dec; 42 (6):1159-65
    View PubMed
  157. Lerman A, Ritman EL. Evaluation of microvascular anatomy by micro-CT. Herz. 1999 Nov; 24 (7):531-3
    View PubMed
  158. Kwon HM, Hong BK, Jang GJ, Kim DS, Choi EY, Kim IJ, McKenna CJ, Ritman EL, Schwartz RS. Percutaneous transmyocardial revascularization induces angiogenesis: a histologic and 3-dimensional micro computed tomography study. J Korean Med Sci. 1999 Oct; 14(5):502-10.
    View PubMed
  159. Pao YC, Ritman EL. Generalized algorithms for interactive warping analysis of porous cross sections. Proc of DETC '99, Las Vegas, Nevada, 1999 ASME DETC. 1999 Sep 12-5:1-11.
  160. Schmermund A, Lerman LO, Ritman EL, Rumberger JA. Cardiac production of angiotensin II and its pharmacologic inhibition: effects on the coronary circulation. Mayo Clin Proc. 1999 May; 74(5):503-13.
    View PubMed
  161. Lerman LO, Siripornpitak S, Maffei NL, Sheedy PF 2nd, Ritman EL. Measurement of in vivo myocardial microcirculatory function with electron beam CT. J Comput Assist Tomogr. 1999 May-Jun; 23 (3):390-8
    View PubMed
  162. Kantor B, Kwon HM, Ritman EL, Holmes DR, Schwartz RS, Holmes DR. Images in Cardiology Imaging the coronary microcirculation: 3D micro-CT of coronary vasa vasorum. Int J Cardiovasc Intervent. 1999; 2 (1):79
    View PubMed
  163. Ritman EL, Bolander ME, Fitzpatrick LA, Turner RT. Micro-CT imaging of structure-to-function relationship of bone microstructure and associated vascular involvement. Technol Health Care. 1998 Dec; 6: (5-6)403-12.
    View PubMed
  164. Kwon HM, Sangiorgi G, Ritman EL, Lerman A, McKenna C, Virmani R, Edwards WD, Holmes DR, Schwartz RS, Holmes DR. Adventitial vasa vasorum in balloon-injured coronary arteries: visualization and quantitation by a microscopic three-dimensional computed tomography technique. J Am Coll Cardiol. 1998 Dec; 32 (7):2072-9
    View PubMed
  165. Jorgensen SM, Demirkaya O, Ritman EL. Three-dimensional imaging of vasculature and parenchyma in intact rodent organs with X-ray micro-CT. Am J Physiol. 1998 Sep; 275 (3):H1103-14
    View PubMed
  166. Ritman EL. Temporospatial heterogeneity of myocardial perfusion and blood volume in the porcine heart wall. Ann Biomed Eng. 1998 Jul-Aug; 26 (4):519-25
    View PubMed
  167. Warner DO, Warner MA, Joyner MJ, Ritman EL. The effect of nitrous oxide on chest wall function in humans and dogs. Anesth Analg. 1998 May; 86 (5):1058-64
    View PubMed
  168. Kwon HM, Sangiorgi G, Ritman EL, McKenna C, Holmes DR Jr, Schwartz RS, Lerman A. Enhanced coronary vasa vasorum neovascularization in experimental hypercholesterolemia. J Clin Invest. 1998 Apr 15; 101 (8):1551-6
    View PubMed
  169. Ludwig J, Ritman EL, LaRusso NF, Sheedy PF, Zumpe G. Anatomy of the human biliary system studied by quantitative computer-aided three-dimensional imaging techniques. Hepatology. 1998 Apr; 27(4):893-9.
    View PubMed
  170. Pao YC, Ritman EL. Comparative characterization of the infarcted and reperfused ventricular wall muscles by finite element analysis and a myocardial muscle- blood composite model. Comput Biomed Res. 1998 Feb; 31(1):18-31.
    View PubMed
  171. Garcia-Sanz A, Rodriguez-Barbero A, Bentley MD, Ritman EL, Romero JC. Three-dimensional microcomputed tomography of renal vasculature in rats. Hypertension. 1998 Jan; 31 (1 Pt 2):440-4
    View PubMed
  172. Peyrin F, Salome M, Cloetens P, Laval-Jeantet AM, Ritman E, Rüegsegger P. Micro-CT examinations of trabecular bone samples at different resolution: 14, 7 and 2 micro level. Technol Health Care. 1998; 6:391-401.
    View PubMed
  173. Christian TF, O'Connor MK, Schwartz RS, Gibbons RJ, Ritman EL. Technetium-99m MIBI to assess coronary collateral flow during acute myocardial infarction in two closed-chest animal models. J Nucl Med. 1997 Dec; 38: (12)1840-6.
    View PubMed
  174. Faridani A, Finch DV, Ritman EL, Smith KT. Local tomography .2. SIAM J Appl Math. 1997 Aug; 57(4):1095-1127.
  175. Westerlind KC, Wronski TJ, Ritman EL, Luo ZP, An KN, Bell NH, Turner RT. Estrogen regulates the rate of bone turnover but bone balance in ovariectomized rats is modulated by prevailing mechanical strain. Proc Natl Acad Sci U S A. 1997 Apr 15; 94 (8):4199-204
    View PubMed
  176. Schmermund A, Bell MR, Lerman LO, Ritman EL, Rumberger JA. Quantitative evaluation of regional myocardial perfusion using fast X-ray computed tomography. Herz. 1997 Feb; 22 (1):29-39
    View PubMed
  177. Chilian WM, Bassingthwaighte JB, Cannon RO, Curry FRE, Davis MJ, Dellsperger KC, Duling BR, Fuster V, Gerritsen ME, Hoffman JIE, Kajiya F, Ku DD, Lamping KG, Laughlin MH, Ritman EL, Taylor AE, Small A. Coronary microcirculation in health and disease - summary of an NHLBI workshop. Circulation. 1997 Jan 21; 95(2):522-528.
    View PubMed
  178. Beighley PE, Thomas PJ, Jorgensen SM, Ritman EL. 3D architecture of myocardial microcirculation in intact rat heart: a study with micro-CT. Adv Exp Med Biol. 1997; 430:165-75
    View PubMed
  179. Warner DO, Warner MA, Ritman EL. Human chest wall function during epidural anesthesia. Anesthesiology. 1996 Oct; 85 (4):761-73
    View PubMed
  180. Warner DO, Warner MA, Ritman EL. Atelectasis and chest wall shape during halothane anesthesia. Anesthesiology. 1996 Jul; 85 (1):49-59
    View PubMed
  181. Warner DO, Warner MA, Ritman EL. Mechanical significance of respiratory muscle activity in humans during halothane anesthesia. Anesthesiology. 1996 Feb; 84 (2):309-21
    View PubMed
  182. Higgins WE, Spyra WT, Karwoski RA, Ritman EL. System for analyzing high-resolution three-dimensional coronary angiograms. IEEE Trans Med Imaging. 1996; 15(3):377-85.
    View PubMed
  183. Ritman EL. Computed tomography evaluation of regional increases in microvascular permeability after reperfusion of locally ischemic myocardium in intact pigs. Acad Radiol. 1995 Nov; 2 (11):952-8
    View PubMed
  184. Liu YH, Bahn RC, Ritman EL. Microvascular blood volume-to-flow relationships in porcine heart wall: whole body CT evaluation in vivo. Am J Physiol. 1995 Nov; 269(5 Pt 2):H1820-6.
    View PubMed
  185. Warner DO, Joyner MJ, Ritman EL. Chest wall responses to rebreathing in halothane-anesthetized dogs. Anesthesiology. 1995 Oct; 83 (4):835-43
    View PubMed
  186. Thomas PJ, McCollough CH, Ritman EL. An electron-beam CT approach for transvenous coronary arteriography. J Comput Assist Tomogr. 1995 May-Jun; 19 (3):383-9
    View PubMed
  187. Lerman LO, Bentley MD, Fiksen-Olsen MJ, Strick DM, Ritman EL, Romero JC. Pressure dependency of canine intrarenal blood flow within the range of autoregulation. Am J Physiol. 1995 Mar; 268 (3 Pt 2):F404-9
    View PubMed
  188. Warner DO, Warner MA, Ritman EL. Human chest wall function while awake and during halothane anesthesia. I. Quiet breathing. Anesthesiology. 1995 Jan; 82 (1):6-19
    View PubMed
  189. McLarty AJ, McGregor CG, Shu NH, Miller VM, Ritman EL. Impact of acute pulmonary rejection on cardiac function. Circulation. 1995 Jan 1; 91 (1):186-91
    View PubMed
  190. Ritman EL. In-vivo assessment of perfusion: Methods and pitfalls introduction to the workshop held 26 February, 1995, San Diego Proceedings of SPIE - The International Society for Optical Engineering. 1995; 2433:430-1
  191. Rastogi A, Kottke BA, Tazelaar HD, Ritman EL, Bailey KR, McGregor CG. Effect of heparin-binding growth factor-1 on bronchial healing in canine lung allograft transplantation. J Heart Lung Transplant. 1994 Jul-Aug; 13(4):704-13.
    View PubMed
  192. Warner DO, Joyner MJ, Ritman EL. Anesthesia and chest wall function in dogs. J Appl Physiol (1985). 1994 Jun; 76 (6):2802-13
    View PubMed
  193. Ritman EL. Myocardial capillary permeability to iohexol. Evaluation with fast x-ray computed tomography. Invest Radiol. 1994 Jun; 29 (6):612-7
    View PubMed
  194. Bentley MD, Lerman LO, Hoffman EA, Fiksen-Olsen MJ, Ritman EL, Romero JC. Measurement of renal perfusion and blood flow with fast computed tomography. Circ Res. 1994 May; 74(5):945-51.
    View PubMed
  195. Ritman EL. Multidimensional cardiac imaging in retrospect Proceedings of SPIE - The International Society for Optical Engineering. 1994 May 1; 2168:120-30
  196. Ritman EL. The DSR--a unique x-ray computed tomographic scanner for exploring the power of the dynamic spatial reconstruction. Am J Card Imaging. 1994 Apr; 8: (2)161-7.
    View PubMed
  197. Chung N, Small RS, Kass DA, Bell MR, Ritman EL, Holmes DR Jr, Tockman BA, Salo RW. Effects of acute changes in canine Lv-chamber volume and shape on accuracy of impedence catheter estimates of Lv-chamber volume. Biomed Instrum Technol. 1994; 28:113-122.
    View PubMed
  198. Liu YH, Shu NH, Ritman EL. A fast computed tomographic imaging method for myocardial perfusion. Am J Card Imaging. 1993 Dec; 7(4):301-8.
    View PubMed
  199. Ritman RL, Ritman EL. Rationale for, and recent progress in, 3D reconstruction of the heart and lungs. Comput Med Imaging Graph. 1993 Jul-Oct; 17 (4-5):263-71
    View PubMed
  200. Warner DO, Brichant JF, Ritman EL, Rehder K. Epidural anesthesia and intrathoracic blood volume. Anesth Analg. 1993 Jul; 77(1):135-40.
    View PubMed
  201. Kumar D, Ritman EL, Malagelada JR. Antral volume and propulsion-retropulsion in response to upper intestinal nutrients in a canine model. Am J Physiol. 1993 Jun; 264 (6 Pt 1):G1077-81
    View PubMed
  202. Higgins WE, Morice C, Ritman EL. Shape-based interpolation of tree-like structures in three-dimensional images. IEEE Trans Med Imaging. 1993; 12(3):439-50.
    View PubMed
  203. Ritman EL. In vivo myocardial microcirculation: evaluation with a whole-body x-ray CT method. Adv Exp Med Biol. 1993; 346:163-71
    View PubMed
  204. Liu YH, Bahn RC, Ritman EL. Dynamic intramyocardial blood volume: evaluation with a radiological opaque marker method. Am J Physiol. 1992 Sep; 263 (3 Pt 2):H963-7
    View PubMed
  205. Jorgensen SM, Whitlock SV, Thomas PJ, Ritman EL. Dynamic image-adaptive x-ray beam limiters. Biomed Instrum Technol. 1992 Jul-Aug; 26: (4)328-34.
    View PubMed
  206. Liu YH, Bahn RC, Ritman EL. Myocardial volume perfused by coronary artery branches. A three-dimensional X-ray computed tomographic evaluation in pigs. Invest Radiol. 1992 Apr; 27 (4):302-7
    View PubMed
  207. Liu YH, Bahn RC, Ritman EL. Myocardial volume perfused by coronary artery branches--a three-dimensional x-ray CT evaluation in human cadaver hearts. Int J Card Imaging. 1992; 8 (2):95-101
    View PubMed
  208. Liu YH, Bahn RC, Ritman EL. Dynamic intramyocardial blood volume: evaluation with a radiological opaque marker method. Heart Circ Physiol. 1992; 32.
  209. Wu XS, Ewert DL, Liu YH, Ritman EL. In vivo relation of intramyocardial blood volume to myocardial perfusion: evidence supporting microvascular site for autoregulation. Circulation. 1992; 85:730-7.
  210. Higgins WE, Chung N, Ritman EL. LV chamber extraction from 3-D CT images--accuracy and precision. Comput Med Imaging Graph. 1992 Jan-Feb; 16(1):17-26.
    View PubMed
  211. Faridani A, Ritman EL, Smith KT. Local tomography. SIAM J Appl Math. 1992; 52:459-84.
  212. Faridani A, Ritman EL, Smith KT. Examples of local tomography. SIAM J Appl Math. 1992; 52:1193-8.
  213. Pao YC, Lu JT, Ritman EL. Bending and twisting of an in vivo coronary artery at a bifurcation. J Biomech. 1992; 25:287-95.
    View PubMed
  214. Chung N, Wu X, Ritman EL. LV oxygen consumption and pressure-volume area: role of norepinephrine and verapamil. Am J Physiol. 1991 Jul; 261 (1 Pt 2):H77-82
    View PubMed
  215. Warner DO, Brichant JF, Ritman EL, Rehder K. Chest wall motion during epidural anesthesia in dogs. J Appl Physiol (1985). 1991 Feb; 70 (2):539-47
    View PubMed
  216. Higgins WE, Spyra WJT, Karwoski RA, Ritman EL. Automatic analysis system for three-dimensional angiograms. Proc Soc Photo Opt Instrum Eng (Imaging Processing). 1991; 1445: 276-86.
  217. Chung N, Wu X, Ritman EL. LV oxygen consumption and pressure-volume area: role of norepinephrine and verapamil. Heart Circ Physiology. 1991; 30.
  218. Ritman EL. Fast computed tomography for quantitative cardiac analysis--state of the art and future perspectives. Mayo Clin Proc. 1990 Oct; 65 (10):1336-49
    View PubMed
  219. Spyra WJ, Bell MR, Bahn RC, Zinsmeister AR, Ritman EL, Bove AA. Detection of mild coronary stenoses using the Dynamic Spatial Reconstructor. Invest Radiol. 1990 May; 25 (5):472-9
    View PubMed
  220. Chung N, Wu X, Bailey KR, Ritman EL. LV pressure-volume area and oxygen consumption: evaluation in intact dog by fast CT. Am J Physiol. 1990 Apr; 258 (4 Pt 2):H1208-15
    View PubMed
  221. Higgins WE, Chung N, Ritman EL. Extraction of left-ventricular chamber from 3-D CT images of the heart. IEEE Trans Med Imaging. 1990; 9(4):384-95.
    View PubMed
  222. Spyra WT, Faridani A, Smith KT, Ritman EL. Computed tomographic imaging of the coronary arterial tree-use of local tomography. IEEE Trans Med Imaging. 1990; 9(1):1-4.
    View PubMed
  223. Nishimura RA, Abel MD, Hatle LK, Holmes DR Jr, Holmes DR Jr, Housmans PR, Ritman EL, Tajik AJ. Significance of Doppler indices of diastolic filling of the left ventricle: comparison with invasive hemodynamics in a canine model. Am Heart J. 1989 Dec; 118 (6):1248-58
    View PubMed
  224. Krayer S, Rehder K, Vettermann J, Didier EP, Ritman EL. Position and motion of the human diaphragm during anesthesia-paralysis. Anesthesiology. 1989 Jun; 70 (6):891-8
    View PubMed
  225. Warner DO, Krayer S, Rehder K, Ritman EL. Chest wall motion during spontaneous breathing and mechanical ventilation in dogs. J Appl Physiol (1985). 1989 Mar; 66 (3):1179-89
    View PubMed
  226. Wang T, Wu X, Chung N, Ritman EL. Myocardial blood flow estimated by synchronous, multislice, high-speed computed tomography. IEEE Trans Med Imaging. 1989; 8:70-7.
  227. Krayer S, Decramer M, Vettermann J, Ritman EL, Rehder K. Volume quantification of chest wall motion in dogs. J Appl Physiol (1985). 1988 Nov; 65 (5):2213-20
    View PubMed
  228. Bell MR, Spyra WJT, Wu X, Thomas PJ, Ritman EL. A method for characterizing the spatial distribution of regional transcoronary transfer functions using fast CT. Physiologist. 1988 Aug; 31(4):A64.
  229. Bentley MD, Hoffman EA, Fiksen-Olsen MJ, Knox FG, Ritman EL, Romero JC. Three-dimensional canine renovascular structure and circulation visualized in situ with the dynamic spatial reconstructor. Am J Anat. 1988 Jan; 181: (1)77-88.
    View PubMed
  230. Nishimura RA, Holmes DR Jr, Bove AA, Holmes DR Jr, Julsrud PR, Ritman EL. Blood velocity measurements during selective coronary angiography before and after percutaneous transluminal coronary angioplasty. Cathet Cardiovasc Diagn. 1988; 14 (2):85-91
    View PubMed
  231. Wu X, Latson LA, Wang T, Driscoll DJ, Ensing GJ, Ritman EL. Regional pulmonary perfusion estimated by high-speed volume scanning CT. Am J Physiol Imaging. 1988; 3(2):73-80.
    View PubMed
  232. Farias MAC, Ritman EL. Regional wall thickening dynamics as an index of regional myocardial function. Revista Brasileira De Engenharia. 1987 Aug((4/n.E1)):58-70.
  233. Kumar D, Ritman EL, Malagelada JR. Three-dimensional imaging of the stomach: role of pylorus in the emptying of liquids. Am J Physiol. 1987 Jul; 253(1 Pt 1):G79-85.
    View PubMed
  234. Wu X, Latson LA, Driscoll DJ, Ensing GJ, Ritman EL. Dynamic three-dimensional anatomy of pulmonary arteries in pigs with aorto-to-pulmonary artery shunts. Am J Physiol Imaging. 1987; 2: (4)169-75.
    View PubMed
  235. Liu YH, Hoffman EA, Ritman EL. Measurement of three-dimensional anatomy and function of pulmonary arteries with high-speed x-ray computed tomography. Invest Radiol. 1987 Jan; 22(1):28-36.
    View PubMed
  236. Hoffman EA, Ritman EL. Intracardiac cycle constancy of total heart volume. Dynamic Cardiovascular Imaging. 1987; 1(3):199-205.
  237. Ritman EL. Three-dimensional anatomy and function of the pulmonary arterial tree: overview of results with the dynamic spatial reconstructor. Innovation Et Technologie En Biologie Et Medecine. 1987; 8(NE Special 1):37-50.
  238. Kumar D, Ritman EL. Review of a method for three-dimensional imaging of stomach motility. Automedica. 1987; 7(4):249-59.
  239. Hoffman EA, Ritman EL. Heart-lung interaction: effect on regional lung air content and total heart volume. Ann Biomed Eng. 1987; 15 (3-4):241-57
    View PubMed
  240. Spyra WJ, Bove AA, Ritman EL. Some technical considerations in tomographic coronary arteriography. Int J Card Imaging. 1987; 2 (4):223-9
    View PubMed
  241. Kim KH, Ritman EL. Dynamic spatial reconstructor. J Korean Am Med Assoc (In Korean). 1987; 30: (11)1252-8.
  242. Liu YH, Mair DD, Hagler DJ, Seward JB, Julsrud PR, Ritman EL. Angiography for delineation of systemic-to-pulmonary shunts in congenital pulmonary atresia: evaluation with the dynamic spatial reconstructor. Mayo Clin Proc. 1986 Dec; 61(12):932-41.
    View PubMed
  243. Iwasaki T, Ritman EL. The dynamic spatial reconstructor - noninvasive vivisection of cardiopulmonary structure and function. Mod Med (In Japanese). 1986 Oct; 12: 48-51.
  244. Liu YH, Ritman EL. Branching pattern of pulmonary arterial tree in anesthetized dogs. J Biomech Eng. 1986 Aug; 108(3):289-93.
    View PubMed
  245. Pao YC, Nagendra GK, Padiyar R, Ritman EL. Derivation of myocardial fiber stiffness equation based on theory of laminated composite. J Biomech Eng. 1986 Aug; l02:252-7.
  246. Koiwa Y, Bahn RC, Ritman EL. Regional myocardial volume perfused by the coronary artery branch: estimation in vivo. Circulation. 1986 Jul; 74(1):157-63.
    View PubMed
  247. Robbin ML, An KN, Linscheid RL, Ritman EL. Anatomic and kinematic analysis of the human forearm using high-speed computed tomography. Med Biol Eng Comput. 1986 Mar; 24(2):164-8.
    View PubMed
  248. Horowitz A, Perl M, Sideman S, Ritman E. Comprehensive model for the simulation of left ventricle mechanics. Part 2. Implementation and results analysis. Med Biol Eng Comput. 1986 Mar; 24(2):150-6.
    View PubMed
  249. Liu YH, Hoffman EA, Hagler DJ, Seward JB, Julsrud PR, Mair DD, Ritman EL. Accuracy of pulmonary vascular dimensions estimated with the dynamic spatial reconstructor. Am J Physiol Imaging. 1986; 1: (4)201-7.
    View PubMed
  250. Harris LD, Camp JJ, Ritman EL, Robb RA. Three-dimensional display and analysis of tomographic volume images utilizing a varifocal mirror. IEEE Trans Med Imaging. 1986; MI-5(2):67-72.
  251. Pao YC, Ritman EL. Finite element assessment of regional myocardial contraction. 1986 Advances in Bioengineering. American Society of Mechanical Engineers Publication #H00351 BED. 1986; 2:142-3.
  252. Schwartz RS, Bove AA, Bahn RC, Ritman EL. A method for quantitative display of 3-D regional myocardial function. IEEE Trans Med Imaging. 1985 Dec; MI-4(4):208-14.
  253. Hoffman EA, Ritman EL. Invariant total heart volume in the intact thorax. Am J Physiol. 1985 Oct; 249(4 Pt 2):H883-90.
    View PubMed
  254. Hoffman EA, Ritman EL. Effect of body orientation on regional lung expansion in dog and sloth. J Appl Physiol. 1985 Aug; 59(2):481-91.
    View PubMed
  255. Sinak LJ, Hoffman EA, Schwartz RS, Smith HC, Holmes DR Jr, Bove AA, Robb RA, Harris LD, Ritman EL. Three-dimensional cardiac anatomy and function in heart disease in adults: initial results with the dynamic spatial reconstructor. Mayo Clin Proc. 1985 Jun; 60(6):383-92.
    View PubMed
  256. Hoffman EA, Ritman EL. Shape and dimensions of cardiac chambers: importance of CT section thickness and orientation. Radiology. 1985 Jun; 155(3):739-44.
    View PubMed
  257. Bove AA, Block M, Smith HC, Ritman EL. Evaluation of coronary anatomy using high-speed volumetric computed tomographic scanning. Am J Cardiol. 1985 Feb 15; 55(5):582-4.
    View PubMed
  258. Wei JH, Hoffman EA, Ritman EL, Wood EH. Cardiogenic motion of right lung parenchyma in anesthetized intact dogs. J Appl Physiol. 1985 Feb; 58(2):384-91.
    View PubMed
  259. Sinak LJ, Liu YH, Block M, Mair DD, Julsrud PR, Hoffman EA, Hagler DJ, Seward JB, Ritman EL. Anatomy and function of the heart and intrathoracic vessels in congenital heart disease: evaluation with the Dynamic Spatial Reconstructor. J Am Coll Cardiol. 1985 Jan; 5(1 Suppl):70S-76S.
    View PubMed
  260. Iwasaki T, Ritman EL, Fiksen-Olsen MJ, Romero JC, Knox FG. Renal cortical perfusion--preliminary experience with the dynamic spatial reconstructor (DSR). Ann Biomed Eng. 1985; 13(3-4):259-71.
    View PubMed
  261. Seide K, Ritman EL. Three-dimensional dynamic x-ray-computed tomography imaging of stomach motility. Am J Physiol. 1984 Nov; 247(5 Pt 1):G574-81.
    View PubMed
  262. Block M, Bove AA, Ritman EL. Coronary angiographic examination with the dynamic spatial reconstructor. Circulation. 1984 Aug; 70(2):209-16.
    View PubMed
  263. Block M, Liu YH, Harris LD, Robb RA, Ritman EL. Quantitative analysis of a vascular tree model with the dynamic spatial reconstructor. J Comput Assist Tomogr. 1984 Jun; 8(3):390-400.
    View PubMed
  264. Knox FG, Ritman EL, Romero JC. Intrarenal distribution of blood flow: evolution of a new approach to measurement. Kidney Int. 1984 Mar; 25(3):473-9.
    View PubMed
  265. Sinak LJ, Hoffman EA, Ritman EL. Subtraction gated computed tomography with the dynamic spatial reconstructor: simultaneous evaluation of left and right heart from single right-sided bolus contrast medium injection. J Comput Assist Tomogr. 1984 Feb; 8(1):1-9.
    View PubMed
  266. Sinak LJ, Hoffman EA, Julsrud PR, Mair DD, Seward JB, Hagler DJ, Harris LD, Robb RA, Ritman EL. The Dynamic Spatial Reconstructor: investigating congenital heart disease in four dimensions. Cardiovasc Intervent Radiol. 1984; 7(3-4):124-39.
    View PubMed
  267. Iwasaki T, Sinak LJ, Hoffman EA, Robb RA, Harris LD, Bahn RC, Ritman EL. Mass of left ventricular myocardium estimated with dynamic spatial reconstructor. Am J Physiol. 1984 Jan; 246(1 Pt 2):H138-42.
    View PubMed
  268. Iwasaki T, Sinak LJ, Hoffman EA, Robb RA, Harris LD, Bahn RC, Ritman EL. Mass of left ventricular myocardium estimated with the Dynamic Spatial Reconstructor. Am J Physiol Heart Circ Physiol. 1984 Jan; 15:H138-H142.
  269. Hoffman EA, Ritman EL, Wood EH. Interserosal forces: the pressure environment of the central circulations and nature's 'G suits'. (Part II - The thoracic containers, analysis via the DSR). Physiologist. 1983 Dec; 26:S-165--S-168.
  270. Ritman EL, Greenleaf JF, Robb RA, Gilbert BK, Kinsey JH, Harris LD, Wood EH. Mayo Clinic and Medical School Biodynamics Research Unit. Appl Radiol. 1983 Nov-Dec; 12(6):167-8, 171-2, 175-6.
    View PubMed
  271. Hoffman EA, Sinak LJ, Robb RA, Ritman EL. Noninvasive quantitative imaging of shape and volume of lungs. J Appl Physiol. 1983 May; 54(5):1414-21.
    View PubMed
  272. Vlietstra RE, Farias MA, Frye RL, Smith HC, Ritman EL. Effect of verapamil on left ventricular function: a randomized, placebo-controlled study. Am J Cardiol. 1983 Apr; 51(7):1213-7.
    View PubMed
  273. Robb RA, Hoffman EA, Sinak LJ, Harris LD, Ritman EL. High-speed three-dimensional x-ray computed tomography: the Dynamic Spatial Reconstructor. Proceedings of the IEEE. 1983 Mar; 71:308-319.
  274. Schwartz RS, Ritman EL. Computed tomography in cardiac imaging. Practical Cardiology. 1983; 9(4):225-38.
  275. Ritman EL. The Dynamic Spatial Reconstructor. Mod Probl Paediatr. 1983; 22:38-47.
  276. Harris LD, Ritman EL, Robb RA. Computer generated 3-D display of x-ray computed tomographic volume image data. Proceedings of SPIE. 1983; 312:176-81.
  277. Behrenbeck T, Kinsey JH, Harris LD, Robb RA, Ritman EL. Three-dimensional spatial, density, and temporal resolution of the dynamic spatial reconstructor. J Comput Assist Tomogr. 1982 Dec; 6(6):1138-47.
    View PubMed
  278. Robb RA, Sinak LJ, Hoffman EA, Kinsey JH, Harris LD, Ritman EL. Dynamic volume imaging of moving organs. J Med Syst. 1982 Dec; 6(6):539-54.
    View PubMed
  279. St John Sutton MG, Ritman EL. Effects of progressive reduction in coronary blood flow on regional and global left ventricular contraction and relaxation during normal and increased afterload: a roentgen videometric study. Cardiovasc Res. 1982 Sep; 16(9):535-45.
    View PubMed
  280. Ritman EL. Earl H. Wood scientific symposium: foreword. Mayo Clin Proc. 1982 Jul; 57(Suppl):1.
    View PubMed
  281. Chesebro JH, Ritman EL, Frye RL, Smith HC, Vlietstra RE, Pluth JR. Left ventricular performance before and after aortocoronary artery bypass surgery. Circulation. 1982 Jun; 65(7 Pt 2):98-105.
    View PubMed
  282. Wood EH, Gilbert BK, Harris LD, Kinsey JH, Ritman EL, Robb RA. High temporal resolution synchronous volumetric scanning tomography: potential roles in clinical evaluation of ischemic heart disease. Am Heart J. 1982 Apr; 103(4 Pt 2):649-59.
    View PubMed
  283. Ritman EL, Kinsey JH, Robb RA, Wood EH. The place of the Dynamic Spatial Reconstructor in diagnosis. Paediatr Cardiol. 1981; 4:748-755.
  284. Pao YC, Nagendra GK, Ritman EL. Isoparametric finite-element analysis of heart wall muscle as layered composite. l98l Advances in Bioengineering. 1981:l39-42.
  285. Scanlan JG, Gustafson DE, Chevalier PA, Robb RA, Ritman EL. Evaluation of ischemic heart disease with a prototype volume imaging computed tomographic (CT) scanner: preliminary experiments. Am J Cardiol. 1980 Dec 18; 46(7):1263-8.
    View PubMed
  286. Ritman EL, Harris LD, Kinsey JH, Robb RA. Computed tomographic imaging of the heart: the dynamic spatial reconstructor. Radiol Clin North Am. 1980 Dec; 18(3):547-55.
    View PubMed
  287. Ritman EL, Harris LD, Kinsey JH, Robb RA. CAT scan imaging of the heart-the DSR. Radiol Clin North Am. 1980 Dec; 18:144-52.
  288. Ritman EL, Kinsey JH, Robb RA, Gilbert BK, Harris LD, Wood EH. Three-dimensional imaging of heart, lungs, and circulation. Science. 1980 Oct 17; 210(4467):273-80.
    View PubMed
  289. Sutton MG, Ritman EL, Paradise NF. Biphasic changes in maximum relaxation rate during progressive hypoxia in isometric kitten papillary muscle and isovolumic rabbit ventricle. Circ Res. 1980 Oct; 47(4):516-24.
    View PubMed
  290. Kinsey JH, Robb RA, Ritman EL, Wood EH. The DSR -- a high temporal resolution volumetric roentgenographic CT scanner. Herz. 1980 Jun; 5(3):177-88.
    View PubMed
  291. Sutton MGS, Tajik AJ, Smith HC, Ritman EL. Angina in idiopathic hypertrophic subaortic stenosis: a videometric and echocardiographic study. Circulation. 1980 Mar; 61:561-568.
    View PubMed
  292. Ritman EL, Kinsey JH, Robb RA, Harris LD, Gilbert BK. Physics and technical considerations in the design of the DSR: a high temporal resolution volume scanner. AJR Am J Roentgenol. 1980 Feb; 134(2):369-74.
    View PubMed
  293. Pao YC, Ritman EL. Estimation of passive and active muscle properties of working heart. Internatl Conference Proceedings of the Finite Elements in Biomechanics. 1980 Feb; 2:657-672.
  294. Tsuiki K, Ritman EL. Direct evidence that left ventricular myocardium is incompressible throughout systole and diastole. Tohoku J Exp Med. 1980; 132:119-20.
  295. Robb RA, Ritman EL. High speed synchronous volume computed tomography of the heart. Radiology. 1979 Dec; 133(3 Pt 1):655-61.
    View PubMed
  296. Ritman EL, Harris LD, Padiyar R, Chevalier PA, Robb RA. Non-invasive visualization and quantitation of cardiovascular structure and function. Physiologist. 1979 Dec; 22(6):39-43.
    View PubMed
  297. St John Sutton MG, Tajik AJ, Mercier LA, Seward JB, Giuliani ER, Ritman EL. Assessment of left ventricular function in secundum atrial septal defect by computer analysis of the M-mode echocardiogram. Circulation. 1979 Nov; 60(5):1082-90.
    View PubMed
  298. Ritman EL, Harris LD, Robb RA, Gilbert BK, Kinsey JH, Wood EH. High temporal resolution synchronous volumetric scanning tomographic system and its clinical applications. Proceedings of the Symposium on Clinical Aspects and Future of Whole Body Computed Tomography Tokyo, Japan. 1979 Sep 28-9:92-104.
  299. Pao YC, Padiyar R, Ritman EL. Regional stresses and strains in a urethane plastic cast of left ventricular myocardium calculated from computer-tomographically-recorded displacements of affixed surface markers. Proceedings 16th Midwestern Mechanics Conference. 1979 Sep; 10:219-23.
  300. Hagler DJ, Ritter DG, Mair DD, Tajik AJ, Seward JB, Fulton RE, Ritman EL. Right and left ventricular function after the Mustard procedure in transposition of the great arteries. Am J Cardiol. 1979 Aug; 44(2):276-83.
    View PubMed
  301. Harris LD, Robb RA, Yuen TS, Ritman EL. The display and visualization of 3-D reconstructed anatomic morphology: experience with the thorax, heart and coronary vasculature of dogs. J Comput Assist Tomogr. 1979 Aug; 3:439-446.
    View PubMed
  302. Gilbert BK, Krueger LM, Chu A, Ritman EL, Swartzlander EE Jr, Atkins DE. Application of optimized parallel processing digital computers and numerical approximation methods to the ultra high-speed three-dimensional reconstruction of the intact thorax. Int J Biomed Comput. 1979 Aug; 10(4):317-29.
    View PubMed
  303. Robb RA, Ritman EL, Gilbert BK, Kinsey JH, Harris LD, Wood EH. The DSR: a high-speed three-dimensional x-ray computed tomography system for dynamic spatial reconstruction of the heart and circulation. IEEE Trans Nucl Sci. 1979 Apr; Ns-26:2713-7.
  304. Gilbert BK, Chu A, Atkins DE, Swartzlander EE Jr, Ritman EL. Ultra high speed transaxial image reconstruction of the heart, lungs, and circulation via numerical approximation methods and optimized processor architecture. Comput Biomed Res. 1979 Feb; 12(1):17-38.
    View PubMed
  305. Robb RA, Ritman EL, Harris LD, Wood EH. Dynamic three-dimensional x-ray computed tomography of the heart, lungs, and circulation. IEEE Trans Nucl Sci. 1979; 26:1646-1660.
  306. Pao YC, Ritman EL, Harris LD. Display of stress distribution in the heart: short paper. Proceedings 14th Annual MTG. Assoc. Advancement of Medical Instrumentation. 1979:192.
  307. Ritman EL, Kinsey JH, Robb RA, Harris LD, Gilbert BK. Physics and technical considerations in the design of the Dynamic Spatial Reconstructor (DSR) - a high temporal resolution volume scanner. SPIE Application of Optical Instrumentation in Medicine VII. 1979; 173:382-90.
  308. Singh M, Berggren MJ, Gustafson DE, Dewanjee MK, Bahn RC, Ritman EL. Emission-computed tomography and its application to imaging of acute myocardial infarction in intact dogs using Tc-99m pyrophosphate. J Nucl Med. 1979 Jan; 20(1):50-6.
    View PubMed
  309. St John Sutton MG, Frye RL, Smith HC, Chesebro JH, Ritman EL. Relation between left coronary artery stenosis and regional left ventricular function. Circulation. 1978 Sep; 58(3):491-7.
    View PubMed
  310. Ritman EL, Heethaar RM, Robb RA, Pao YC. Finite element analysis of myocardial diastolic stress and strain relationships in the intact heart. Eur J Cardiol. 1978 Jun; 7(Suppl):105-19.
    View PubMed
  311. St John Sutton MG, Hagler DJ, Tajik AJ, Giuliani ER, Seward JB, Ritter DG, Ritman EL. Cardiac function in the normal newborn: additional information by computer analysis of the M-mode echocardiogram. Circulation. 1978 Jun; 57(6):1198-204.
    View PubMed
  312. Chesebro JH, Ritman EL, Frye RL, Smith HC, Rutherford BD, Fulton RE, Pluth JR, Barnhorst DA. Regional myocardial wall thickening response to nitroglycerin. A predictor of myocardial response to aortocoronary bypass surgery. Circulation. 1978 May; 57(5):952-7.
    View PubMed
  313. Greenleaf JF, Ritman EL, Chevalier PA, Sass DJ, Wood EH. Spatial distribution of pulmonary blood flow in dogs in increased force environments. J Appl Physiol. 1978 Mar; 44(3):384-96.
    View PubMed
  314. Ritman EL, Robb RA, Johnson SA, Chevalier PA, Gilbert BK, Greenleaf JF, Sturm RE, Wood EH. Quantitative imaging of the structure and function of the heart, lungs, and circulation. Mayo Clin Proc. 1978 Jan; 53(1):3-11.
    View PubMed
  315. Wood EH, Ritman EL. Current CAT scanners in relation to the needs and requirements for a new generation high temporal resolution, high synchronous axial anatomic range, and resolution dynamic spatial reconstruction system for simultaneous study of structure and functions of the heart and circulation. Roentgen Video Techniques for Dynamic Studies of Structure and Function of the Heart and Circulation, 2nd Int. Wrkshp. Conf. Apr '76. 1978; 244-52.
  316. Harris LD, Robb RA, Yuen TS, Ritman EL, Ritman EL.. Noninvasive numerical dissection and display of anatomic structure using computerized x-ray tomography. Proceedings of the Society of Photo-Optical Instrumentation Engineers. 1978; 152:10-8.
  317. Harris LD, Robb RA, Yuen TS, Ritman EL, Ritman EL.. Noninvasive numerical dissection and display of anatomic structure using computerized x-ray tomography. Proceedings of the Society of Photo-Optical Instrumentation Engineers. 1978; 152:10-8.
  318. Pao YC, Ritman EL. Quantitative analysis of the change of transmural pressure distributions in the left ventricular wall following coronary artery ligation. Proc San Diego Biomed Symp. 1978; 17:109-117.
  319. Frye RL, Gura GM, Chesebro JH, Ritman EL. Complete occlusion of the left main coronary artery and the importance of coronary collateral circulation. Mayo Clin Proc. 1977 Nov; 52(11):742-5.
    View PubMed
  320. Fellows JL, Cravath DL, Wondrow MA, Ritman EL, Smith HC. Clinical laboratory techniques for computer-based analysis of cardiac roentgen angiograms. Analyzer. 1977 Oct-Dec; 7:17-22.
  321. Heethaar RM, Pao YC, Ritman EL. Computer aspects of three-dimensional finite element analysis of stresses and strains in the intact heart. Comput Biomed Res. 1977 Jun; 10(3):271-85.
    View PubMed
  322. Wood EH, Ritman EL, Robb RA, Harris LD, Ruegsegger P. Noninvasive numerical vivisection of anatomic structure and function of the intact circulatory system using high temporal resolution cylindrical scanning computerized tomography. Med Instrum. 1977 May-Jun; 11(3):153-59.
    View PubMed
  323. Ritman EL. Quantitative transaxial imaging of the heart. Eur J Cardiol. 1977 May; 5(3):203-20.
    View PubMed
  324. Vlietstra RE, Assad-Morell JL, Frye RL, Elveback LR, Connolly DC, Ritman EL, Pluth JR, Barnhorst DA, Danielson GK, Wallace RB. Survival predictors in coronary artery disease. Medical and surgical comparisons. Mayo Clin Proc. 1977 Feb; 52(2):85-90.
    View PubMed
  325. Ruegsegger PE, Ritman EL, Wood EH. Performance of a cylindrical CT scanning system for dynamic studies of the heart and lungs. Proc San Diego Biomed Symp. 1977; 16:143-157.
  326. Pao YC, Ritman EL. Global Young's modulus of urethane plastic cast of left ventricular myocardium calculated from roentgen angiographic silhouettes. J Biomech. 1977; 10:133-140.
    View PubMed
  327. Chesebro JH, Ritman EL, Frye RL, Smith HC, Connolly DC, Rutherford BD, Davis GD, Danielson GK, Pluth JR, Barnhorst DA, Wallace RB. Videometric analysis of regional left ventricular function before and after aortocoronary artery bypass surgery: correlation of peak rate of myocardial wall thickening with late postoperative graft flows. J Clin Invest. 1976 Dec; 58(6):1339-47.
    View PubMed
  328. Robb RA, Ritman EL, Greenleaf JF, Sturm RE, Liu HK, Chevalier PA, Wood EH. Quantitative imaging of dynamic structure and function of the heart, lungs and circulation by computerized reconstruction and subtraction techniques. Comput Graph (ACM). 1976 Mar; 10: 246-56.
  329. Johnson SA, Ritman EL, Wood EH. A unique bioimage synthesis and analysis facility at the Mayo Clinic. Proceedings of the International Conference of Cybernetics and Society. 1976; 76CH 1137-9SMC:244-5.
  330. Heethaar RM, Robb RA, Pao YC, Ritman EL. Three-dimensional stress and strain analysis in the intact heart. Proc San Diego Biomed Symp. 1976; 15:337-342.
  331. Pao YC, Robb RA, Ritman EL. Plane-strain finite-element analysis of reconstructed diastolic left ventricular cross sections. Ann Biomed Eng. 1976; 4:232-249.
    View PubMed
  332. Robb RA, Harris LD, Ritman EL. Computerized x-ray reconstruction tomography in stereometric analysis of cardiovascular dynamics. Proc Soc Photo Opt Instrum Eng. 1976; 89:69-82.
  333. Sturm RE, Ritman EL, Johnson SA, Wondrow MA, Erdman DI, Wood EH. Prototype of a single x-ray video imaging chain designed for high temporal resolution computerized tomography by means of an electronic scanning dynamic spatial reconstruction system. Proc San Diego Biomed Symp. 1976; 15:181-188.
  334. Berggren MJ, Johnson SA, Sturm RE, Robb RA, Greenleaf JF, Ritman EL. Design considerations for a versatile three-dimensional reconstruction instrument: geometrical analysis of reconstruction and radioisotope imaging. Proc San Diego Biomed Symp. 1976; 15:189-195.
  335. Dumesnil JG, Ritman EL, Davis GD, Gau GT, Rutherford BD, Frye RL. Regional left ventricular wall dynamics before and after sublingual administration of nitroglycerin. Am J Cardiol. 1975 Oct 6; 36(4):419-25.
    View PubMed
  336. Herman GT, Johnson SA, Lakshminarayanan AV, Lent A, Ritman EL, Robb RA, Rowland SW, Wood EH. An algorithm for on-line real-time reconstruction of the intact heart. Comput Cardiol: IEEE Catalog. 1975 Oct; 75ch1018- 1C:115-9.
  337. Pao YC, Ritman EL. On storage, retrieval, and Gauss-Seidel iteration involving nonzero elements of a sparse stiffness matrix compacted as a vector. Comput Biomed Res. 1975 Jun; 8(3):232-43.
    View PubMed
  338. Ritman EL. Left ventricular function and myocardial contractility: analysis by roentgen videoangiographic techniques. Mayo Clin Proc. 1975 Mar; 50(3):147-56.
    View PubMed
  339. Bursch JH, Ritman EL, Sturm RE, Wood EH. Videodensitometric determination of left ventricular ejection and filling characteristics. Ann Biomed Eng. 1975 Mar; 3(1):62-71.
    View PubMed
  340. Johnson SA, Robb RA, Greenleaf JF, Ritman EL, Gilbert BK, Storma MT, Sjostrand JD, Donald DE, Herman GT, Sturm RE, Wood EH. Dynamic three-dimensional reconstruction of beating heart and lungs from multiplanar roentgen-television images. Mayo Clin Proc. 1974 Dec; 49(12):958-63.
    View PubMed
  341. Pao YC, Ritman EL, Wood EH. Finite-element analysis of left ventricular myocardial stresses. J Biomech. 1974 Nov; 7(6):469-77.
    View PubMed
  342. Dumesnil JG, Ritman EL, Frye RL, Gau GT, Rutherford BD, Davis GD. Quantitative determination of regional left ventricular wall dynamics by roentgen videometry. Circulation. 1974 Oct; 50(4):700-8.
    View PubMed
  343. Robb RA, Greenleaf JF, Ritman EL, Johnson SA, Sjostrand JD, Herman GT, Wood EH. Three-dimensional visualization of the intact thorax and contents: a technique for cross-sectional reconstruction from multiplanar x-ray views. Comput Biomed Res. 1974 Aug; 7(4):395-419.
    View PubMed
  344. Greenleaf JF, Ritman EL, Sass DJ, Wood EH. Spatial distribution of pulmonary blood flow in dogs in left decubitus position. Am J Physiol. 1974 Jul; 227(1):230-44.
    View PubMed
  345. Sturm RE, Ritman EL, Hansen RJ, Wood EH. Recording of multichannel analog data and video images on the same video tape or disc. J Appl Physiol. 1974 Jun; 36(6):761-4.
    View PubMed
  346. Johnson SA, Robb RA, Greenleaf JF, Ritman EL, Lee SL, Herman GT, Sturm RE, Wood EH. The problem of accurate measurement of left ventricular shape and dimensions from multiplane roentgenographic data. Eur J Cardiol. 1974 Mar; 1(3):241-58.
    View PubMed
  347. Greenleaf JF, Ritman EL, Wood EH, Robb RA, Johnson SA. Dynamic computer-generated displays of data from biplane roentgen angiography for study of the left ventricle. Ann Biomed Eng. 1974 Mar; 2(1):90-105.
    View PubMed
  348. Robb RA, Wood EH, Ritman EL, Johnson SA, Sturm RE, Greenleaf JF, Gilbert BK, Chevalier PA. Three-dimensional reconstruction and display of the working canine heart and lungs by multiplanar x-ray scanning video-densitometry. Comput Cardiol IEEE. 1974; 74ch0879-7C:151-63.
  349. Ritman EL, Sturm RE, Wood EH. Biplane roentgen videometric system for dynamic (60-sec) studies of the shape and size of circulatory structures, particularly the left ventricle. Am J Cardiol. 1973 Aug; 32(2):180-7.
    View PubMed
  350. Ritman EL, Johnson SA, Sturm RE, Wood EH. The television camera in dynamic videoangiography. Radiology. 1973 May; 107:417-27.
    View PubMed
  351. Greenleaf JF, Ritman EL, Wood EH, Frye RL, Robb RA, Johnson SA. Dynamic computer generated displays for study of human left ventricle. Proc Soc Photo Opt Instrum Eng. 1973; 32:111-2.
  352. Sass DJ, Wood EH, Greenleaf JF, Ritman EL, Smith HC. Effects of breathing liquid fluorocarbons on regional differences in pleural pressures and other physiological parameters. US Government Special Publication. 1972 Dec; Sam-Tr-72-15: 1-173.
  353. Greenleaf JF, Ritman EL, Coulam CM, Sturm RE, Wood EH. Computer graphic techniques for study of temporal and spatial relationships of multidimensional data derived from biplane roentgen videograms with particular reference to cardioangiography. Comput Biomed Res. 1972 Aug; 5(4):368-87.
    View PubMed
  354. Sass DJ, Ritman EL, Caskey PE, Banchero N, Wood EH. Liquid breathing: prevention of pulmonary arterial-venous shunting during acceleration. J Appl Physiol. 1972 Apr; 32(4):451-5.
    View PubMed
  355. Wood EH, Ritman EL, Sturm RE, Johnson S, Spivak P, Gilbert BK, Smith HC. The problem of determination of the roentgen density, dimensions, and shape of homogeneous objects from biplane roentgenographic data with particular reference to angiocardiography. Proc San Diego Biomed Symp. 1972; 11:3-43.
  356. Wood EH, Coulam CM, Dunnette W, Greenleaf JF, Nathan D, Ritman EL, Sass DJ. Scintiscanning system for study of regional distribution of blood flow. US Government Special Publication. 1970 Feb; Sam-Tr-70-6: 1-197.