Publications

  1. Nawarathna R, Oh J, Muthukudage J, Tavanapong W, Wong J, de Groen PC, Tang SJ. Abnormal Image Detection in Endoscopy Videos Using a Filter Bank and Local Binary Patterns. Neurocomputing. 2014 Nov 20; 144:70-91.
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  2. Hong D, Tavanapong W, Wong J, Oh J, de Groen PC. 3D Reconstruction of virtual colon structures from colonoscopy images. Comput Med Imaging Graph. 2014 Jan; 38(1):22-33. Epub 2013 Oct 27
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  3. De Groen PC, Tavanapong W, Oh J, Wong J. Challenges associated with introduction of real-time quality monitoring and feedback during colonoscopy within a secure, tightly regulated healthcare network. Frontiers in Artificial Intelligence and Applications. 2014; 262:592-601.
  4. Wang Y, Tavanapong W, Wong J, Oh J, De Groen PC. Part-based multiderivative edge cross-sectional profiles for polyp detection in colonoscopy. IEEE Journal of Biomedical and Health Informatics. 2014; 18:1379-89.
  5. Stanek SR, Tavanapong W, Wong J, Oh J, Nawarathna RD, Muthukudage J, de Groen PC. SAPPHIRE: a toolkit for building efficient stream programs for medical video analysis. Comput Methods Programs Biomed. 2013 Dec; 112(3):407-21. Epub 2013 Aug 14.
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  6. Moreno-Luna LE, Yang JD, Sanchez W, Paz-Fumagalli R, Harnois DM, Mettler TA, Gansen DN, de Groen PC, Lazaridis KN, Narayanan Menon KV, Larusso NF, Alberts SR, Gores GJ, Fleming CJ, Slettedahl SW, Harmsen WS, Therneau TM, Wiseman GA, Andrews JC, Roberts LR Efficacy and safety of transarterial radioembolization versus chemoembolization in patients with hepatocellular carcinoma. Cardiovasc Intervent Radiol. 2013 Jun; 36(3):714-23. Epub 2012 Oct 24
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  7. Samuel S, Bruining DH, Loftus EV Jr, Thia KT, Schroeder KW, Tremaine WJ, Faubion WA, Kane SV, Pardi DS, de Groen PC, Harmsen WS, Zinsmeister AR, Sandborn WJ. Validation of the ulcerative colitis colonoscopic index of severity and its correlation with disease activity measures. Clin Gastroenterol Hepatol. 2013 Jan; 11(1):49-54.e1. Epub 2012 Aug 16.
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  8. Wang Y, Tavanapong W, Wong J, Oh J, de Groen PC. Near real-time retroflexion detection in colonoscopy. IEEE Journal Of Biomedical And Health Informatics. 2013 Jan; 17(1):143-52.
  9. Stanek SR, Tavanapong W, Wong J, Oh JH, de Groen PC. Automatic real-time detection of endoscopic procedures using temporal features. Comput Methods Programs Biomed. 2012 Nov; 108(2):524-35. Epub 2011 May 31.
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  10. Nawarathna R, Oh J, Muthukudage J, Tavanapong W, Wong J, De Groen PC. Real-time phase boundary detection for colonoscopy videos using motion vector templates. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2012; 7601 LNCS:116-25.
  11. Shekunov J, de Groen PC, Lindor NM, Klee GG, Aleff RA, Wieben ED, Mohney BG. Hereditary hyperferritinemia-cataract syndrome in two large multigenerational American families. J AAPOS. 2011 Aug; 15(4):356-61.
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  12. Hong D, Tavanapong W, Wong J, Oh J, De Groen PC. Colon fold contour estimation for 3D visualization of colon structure from 2D colonoscopy images. Proceedings - International Symposium on Biomedical Imaging. 2011; 121-4.
  13. Muthukudage J, Oh J, Tavanapong W, Wong J, De Groen PC. Color based stool region detection in colonoscopy videos for quality measurements. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2011; 7087 LNCS(Part 1):61-72.
  14. Wang Y, Tavanapong W, Wong J, Oh J, De Groen PC. Computer-aided detection of retroflexion in colonoscopy. Proceedings - IEEE Symposium on Computer-Based Medical Systems. 2011.
  15. Stanek SR, Tavanapong W, Wong J, Oh J, Nawarathna RD, Muthukudage J, De Groen PC. SAPPHIRE middleware and software development kit for medical video analysis. Proceedings - IEEE Symposium on Computer-Based Medical Systems. 2011.
  16. Karri VP, Oh J, Tavanapong W, Wong J, De Groen PC. Effective and accelerated informative frame filtering in colonoscopy videos using graphics processing unit. In: BIOSIGNALS 2011 - Proceedings of the International Conference on Bio-Inspired Systems and Signal Processing. 2011. p. 119-24.
  17. Edakkanambeth Varayil J, Smyrk TC, de Groen PC. Five interval colorectal cancers. Endoscopy. 2011; 43 Suppl 2 UCTN:E203-4. Epub 2011 May 16
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  18. Bakken JC, Wong Kee Song LM, de Groen PC, Baron TH. Use of a fully covered self-expandable metal stent for the treatment of benign esophageal diseases. Gastrointest Endosc. 2010 Oct; 72(4):712-20.
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  19. de Groen PC. Advanced systems to assess colonoscopy. Gastrointest Endosc Clin N Am. 2010 Oct; 20(4):699-716.
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  20. Wang Y, Tavanapong W, Wong JS, Oh J, de Groen PC. Detection of quality visualization of appendiceal orifices using local edge cross-section profile features and near pause detection. IEEE Trans Biomed Eng. 2010 Mar; 57(3):685-95. Epub 2009 Oct 20.
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  21. Liu X, Tavanapong W, Wong J, Oh J, De Groen PC. Automated measurement of quality of mucosa inspection for colonoscopy. Procedia Computer Science. 2010; 1(1):951-60.
  22. Coden A, Savova G, Sominsky I, Tanenblatt M, Masanz J, Schuler K, Cooper J, Guan W, de Groen PC. Automatically extracting cancer disease characteristics from pathology reports into a Disease Knowledge Representation Model. J Biomed Inform. 2009 Oct; 42(5):937-49. Epub 2008 Dec 27.
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  23. Oh J, Hwang S, Cao Y, Tavanapong W, Liu D, Wong J, de Groen PC. Measuring objective quality of colonoscopy. IEEE Trans Biomed Eng. 2009 Sep; 56(9):2190-6. Epub 2008 Oct 07.
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  24. Savova GK, Coden AR, Sominsky IL, Johnson R, Ogren PV, de Groen PC, Chute CG. Word sense disambiguation across two domains: biomedical literature and clinical notes. J Biomed Inform. 2008 Dec; 41(6):1088-100. Epub 2008 Mar 4
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  25. 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.
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  26. Zhang M, Wong J, Tavanapong W, Oh J, de Groen P. Deadline-constrained media uploading systems. Multimedia Tools & Applications. 2008 May; 38(1):51-74.
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  27. Liu D, Cao Y, Kim KH, Stanek S, Doungratanaex-Chai B, Lin K, Tavanapong W, Wong J, Oh J, de Groen PC. Arthemis: annotation software in an integrated capturing and analysis system for colonoscopy. Comput Methods Programs Biomed. 2007 Nov; 88(2):152-63. Epub 2007 Sep 12.
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  28. Degnim AC, Visscher DW, Berman HK, Frost MH, Sellers TA, Vierkant RA, Maloney SD, Pankratz VS, de Groen PC, Lingle WL, Ghosh K, Penheiter L, Tlsty T, Melton LJ 3rd, Reynolds CA, Hartmann LC. Stratification of breast cancer risk in women with atypia: a Mayo cohort study. J Clin Oncol. 2007 Jul 1; 25(19):2671-7. Epub 2007 Jun 11.
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  29. Cao Y, Liu D, Tavanapong W, Wong J, Oh J, de Groen PC. Computer-aided detection of diagnostic and therapeutic operations in colonoscopy videos. IEEE Trans Biomed Eng. 2007 Jul; 54(7):1268-79.
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  30. Murad SD, Kim WR, de Groen PC, Kamath PS, Malinchoc M, Valla DC, Janssen HL. Can the model for end-stage liver disease be used to predict the prognosis in patients with Budd-Chiari syndrome? Liver Transpl. 2007 Jun; 13(6):867-74.
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  31. Oh J, Hwang S, Lee J, Tavanapong W, Wong J, de Groen PC. Informative frame classification for endoscopy video. Med Image Anal. 2007 Apr; 11(2):110-27.
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  32. Leerapun A, Suravarapu SV, Bida JP, Clark RJ, Sanders EL, Mettler TA, Stadheim LM, Aderca I, Moser CD, Nagorney DM, LaRusso NF, de Groen PC, Menon KV, Lazaridis KN, Gores GJ, Charlton MR, Roberts RO, Therneau TM, Katzmann JA, Roberts LR. The utility of Lens culinaris agglutinin-reactive alpha-fetoprotein in the diagnosis of hepatocellular carcinoma: evaluation in a United States referral population. Clin Gastroenterol Hepatol. 2007 Mar; 5(3):394-402; quiz 267.
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  33. Darwish Murad S, Valla DC, de Groen PC, Zeitoun G, Haagsma EB, Kuipers EJ, Janssen HL. Pathogenesis and treatment of Budd-Chiari syndrome combined with portal vein thrombosis. Am J Gastroenterol. 2006 Jan; 101(1):83-90.
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  34. de Groen PC, Tavanapong W, Oh J, Wong J. Manual annotation of colonoscopy videos: a first step towards automation. AMIA Annu Symp Proc. 2006; 901.
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  35. Harewood GC, Baron TH, Rumalla A, Wang KK, Gores GJ, Stadheim LM, de Groen PC. Pilot study to assess patient outcomes following endoscopic application of photodynamic therapy for advanced cholangiocarcinoma. J Gastroenterol Hepatoll. 2005 Mar; 20(3):415-20.
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  36. Jovanov E, Milenkovic A, Otto C, de Groen PC. A wireless body area network of intelligent motion sensors for computer-assisted physical rehabilitation. Journal of NeuroEngineering and Rehabilitation. 2005; 2:6.
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  37. Kipp BR, Stadheim LM, Halling SA, Pochron NL, Harmsen S, Nagorney DM, Sebo TJ, Therneau TM, Gores GJ, de Groen PC, Baron TH, Levy MJ, Halling KC, Roberts LR. A comparison of routine cytology and fluorescence in situ hybridization for the detection of malignant bile duct strictures. Am J Gastroenterol. 2004 Sep; 99(9):1675-81.
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  38. Baker DJ, Jeganathan KB, Cameron JD, Thompson M, Juneja S, Kopecka A, Kumar R, Jenkins RB, de Groen PC, Roche P, van Deursen JM. BubR1 insufficiency causes early onset of aging-associated phenotypes and infertility in mice. Nat Genet. 2004 Jul; 36(7):744-9. Epub 2004 Jun 20.
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  39. Baron TH, Harewood GC, Rumalla A, Pochron NL, Stadheim LM, Gores GJ, Therneau TM, De Groen PC, Sebo TJ, Salomao DR, Kipp BR. A prospective comparison of digital image analysis and routine cytology for the identification of malignancy in biliary tract strictures. Clin Gastroenterol Hepatol. 2004 Mar; 2(3):214-9.
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  40. Murad SD, Valla DC, de Groen PC, Zeitoun G, Hopmans JAM, Haagsma EB, van Hoek B, Hansen BE, Rosendaal FR, Janssen HLA. Determinants of survival and the effect of portosystemic shunting in patients with Budd-Chiari syndrome. Hepatology. 2004 Feb; 39(2):500-8.
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  41. Oh JH, Hwang S, Tavanapong W, de Groen PC, Wong J. Burry frame detection and shot segmentation in colonoscopy videos. IS&T/SPIE Storage and Retrieval Methods and Applications for Multimedia. 2004; 4 pp 531-42.
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  42. Martin-Sanchez F, Iakovidis I, Norager S, Maojo V, de Groen P, Van der Lei J, Jones T, Abraham-Fuchs K, Apweiler R, Babic R, Baud R, Breton V, Cinquin P, Doupi P, Dugas M, Eils R, Engelbrecht R, Ghazal P, Jehenson P, Kulikowski C, Lampe K, De Moor G, Orph Synergy between medical informatics and bioinformatics: Facilitating genomic medicine for future health care. Journal of Biomedical Informatics. 2004; 37:30-42.
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  43. Cao Y, Tavanapong W, Kim K, Wong J, Oh J, de Groen PC. A framework for parsing colonoscopy videos for semantic units. Proceedings of IEEE ICME pp 216-8 2004.
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  44. Zhang M, Wong J, Tavanapong W, Oh J, de Groen PC. Media uploading systems with hard deadlines. Proceedings of IASTED International Conference on Internet and Multimedia Systems and Applications. 2004:305-10.
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  45. Cao Y, Tavanapong W, Li D, Oh JH, de Groen PC, Wong J. A visual model approach for parsing colonoscopy videos. Proceedings of the International Conf on Image and Video Retrieval. 2004:21-3.
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  46. Cao Y, Li D, Tavanapong W, Wong J, Oh J, de Groen PC. Parsing and browsing tools for colonoscopy videos. Proceedings of ACM Multimedia. 2004:844-51.
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  47. Laird SP, Wong JSK, Schaller WJ, Erickson BJ, de Groen PC. Design and implementation of an Internet-based medical image viewing system. Journal of Systems & Software. 2003 May 15; 66(2):167-81.
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  48. Harewood GC, Wiersema MJ, de Groen PC. Utility of web-based assessment of patient satisfaction with endoscopy. Am J Gastroenterol. 2003 May; 98(5):1016-21.
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  49. Petersen WO, Trapp MA, Vierkant RA, Sellers TA, Kottke TE, de Groen PC, Nicometo AM, Kaur JS. Outcomes of training nurses to conduct breast and cervical cancer screening of Native American women. Holist Nurs Pract. 2002 Jan; 16(2):58-79.
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  50. Keller D, Schaller WJ, Wong JSK, de Groen PC. World-Wide Web-based graphical user interfaces for laboratory data. Methods Inf Med. 2002; 41(5):411-3.
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  51. Tang TJ, Batts KP, de Groen PC, van Hoek B, Haagsma EB, Hop WC, Janssen HL. The prognostic value of histology in the assessment of patients with Budd-Chiari syndrome. J Hepatol. 2001 Sep; 35(3):338-43.
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  52. Wang X, Babu JR, Harden JM, Jablonski SA, Gazi MH, Lingle WL, de Groen PC, Yen TJ, van Deursen JM. The mitotic checkpoint protein hBUB3 and the mRNA export factor hRAE1 interact with GLE2p-binding sequence (GLEBS)-containing proteins. J Biol Chem. 2001 Jul 13; 276(28):26559-67. Epub 2001 May 14
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  53. Rumalla A, Baron TH, Wang KK, Gores GJ, Stadheim LM, de Groen PC. Endoscopic application of photodynamic therapy for cholangiocarcinoma. Gastrointest Endosc. 2001 Apr; 53(4):500-4.
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  54. Kaya M, de Groen PC, Angulo P, Nagorney DM, Gunderson LL, Gores GJ, Haddock MG, Lindor KD. Treatment of cholangiocarcinoma complicating primary sclerosing cholangitis: the Mayo Clinic experience. Am J Gastroenterol. 2001 Apr; 96(4):1164-9.
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  55. Rumalla A, Baron TH, Leontovich O, Burgart LJ, Yacavone RF, Therneau TM, de Groen PC, Sebo TJ. Improved diagnostic yield of endoscopic biliary brush cytology by digital image analysis. Mayo Clin Proc. 2001 Jan; 76(1):29-33.
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  56. de Groen PC, Gores GJ, LaRusso NF, Gunderson LL, Nagorney DM. Medical progress - biliary tract cancers. N Engl J Med. 1999 Oct 28; 341(18):1368-1378.
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  57. O'Sullivan DA, Torres VE, de Groen PC, Batts KP, King BF, Vockley J. Hepatic lymphangiomatosis mimicking polycystic liver disease. Mayo Clin Proc. 1998 Dec; 73(12):1188-92.
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  58. Tietz P, de Groen PC, Anderson NL, Sims C, Esquer-Blasco R, Meheus L, Raymackers J, Dauwe M, LaRusso NF. Cholangiocyte-specific rat liver proteins identified by establishment of a two-dimensional gel protein database. Electrophoresis. 1998 Dec; 19(18):3207-12.
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  59. de Groen PC, Vroman B, Laakso K, LaRusso NF. Characterization and growth regulation of a rat intrahepatic bile duct epithelial cell line under hormonally defined, serum-free conditions. In Vitro Cell Dev Biol Anim. 1998 Oct; 34(9):704-10.
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  60. de Groen PC, Barry JA, Schaller WJ. Applying World Wide Web technology to the study of patients with rare diseases. Ann Intern Med. 1998 Jul 15; 129(2):107-13.
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  61. Lazaridis KN, Pham L, Tietz P, Marinelli RA, deGroen PC, Levine S, Dawson PA, LaRusso NF. Rat cholangiocytes absorb bile acids at their apical domain via the ileal sodium-dependent bile acid transporter. J Clin Invest. 1997 Dec 1; 100(11):2714-21.
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  62. Lazaridis KN, Pham L, Vroman B, de Groen PC, LaRusso NF. Kinetic and molecular identification of sodium-dependent glucose transporter in normal rat cholangiocytes. Am J Physiol. 1997 May; 272(5 Pt 1):G1168-74.
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  63. Tsiotos GG, Nagorney DM, de Groen PC. Selective management of hepatic venous outflow obstruction. J Gastrointest Surg. 1997; 1(4):377-85.
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  64. de Groen PC, Lubbe DF, Hirsch LJ, Daifotis A, Stephenson W, Freedholm D, Pryor-Tillotson S, Seleznick MJ, Pinkas H, Wang KK. Esophagitis associated with the use of alendronate. N Engl J Med. 1996 Oct 3; 335(14):1016-21.
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  65. Boeve BF, Kimmel DW, Aronson AE, de Groen PC. Dysarthria and apraxia of speech associated with FK-506 (tacrolimus). Mayo Clin Proc. 1996 Oct; 71(10):969-72.
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  66. Badley AD, Portela DF, Patel R, Kyle RA, Habermann TM, Strickler JG, Ilstrup DM, Wiesner RH, de Groen P, Walker RC, Paya CV. Development of monoclonal gammopathy precedes the development of Epstein-Barr virus-induced posttransplant lymphoproliferative disorder. Liver Transpl Surg. 1996 Sep; 2(5):375-82.
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  67. Carter DK, Batts KP, de Groen PC, Kurtin PJ. Angiotropic large cell lymphoma (intravascular lymphomatosis) occurring after follicular small cleaved cell lymphoma. Mayo Clin Proc. 1996 Sep; 71(9):869-73.
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  68. Arora AS, de Groen PC, Croall DE, Emori Y, Gores GJ. Hepatocellular carcinoma cells resist necrosis during anoxia by preventing phospholipase-mediated calpain activation. J Cell Physiol. 1996 Jun; 167(3):434-42.
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  69. Yano M, Marinelli RA, Roberts SK, Balan V, Pham L, Tarara JE, de Groen PC, LaRusso NF. Rat hepatocytes transport water mainly via a non-channel-mediated pathway. J Biol Chem. 1996 Mar 22; 271(12):6702-7.
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  70. Arora AS, de Groen P, Emori Y, Gores GJ. A cascade of degradative hydrolase activity contributes to hepatocyte necrosis during anoxia. Am J Physiol. 1996 Feb; 270(2 Pt 1):G238-45.
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  71. Aksamit AJ Jr, de Groen PC. Cyclosporine-related leukoencephalopathy and PML in a liver transplant recipient. Transplantation. 1995 Oct 27; 60(8):874-6.
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  72. Nakano A, Marks DL, Tietz PS, de Groen PC, LaRusso NF. Quantitative importance of biliary excretion to the turnover of hepatic lysosomal enzymes. Hepatology. 1995 Jul; 22(1):262-6.
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  73. Wijdicks EF, de Groen PC, Wiesner RH, Krom RA. Intracerebral hemorrhage in liver transplant recipients. Mayo Clin Proc. 1995 May; 70(5):443-6.
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  74. de Groen PC, Eggen BJ, Gispen WH, Schotman P, Schrama LH. Cloning and promoter analysis of the human B-50/GAP-43 gene. J Mol Neurosci. 1995; 6(2):109-19.
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  75. de Groen PC, Kephart GM, Gleich GJ, Ludwig J. The eosinophil as an effector cell of the immune response during hepatic allograft rejection. Hepatology. 1994 Sep; 20(3):654-62.
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  76. Yale SH, de Groen PC, Tooson JD, Kurtin PJ. Unusual aspects of acute Q fever-associated hepatitis. Mayo Clin Proc. 1994 Aug; 69(8):769-73.
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  77. Windebank AJ, Blexrud MD, de Groen PC. Potential neurotoxicity of the solvent vehicle for cyclosporine. J Pharmacol Exp Ther. 1994 Feb; 268(2):1051-6.
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  78. Nielander HB, De Groen PC, Eggen BJ, Schrama LH, Gispen WH, Schotman P. Structure of the human gene for the neural phosphoprotein B-50 (GAP-43). Brain Res Mol Brain Res. 1993 Sep; 19(4):293-302.
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  79. Schlinkert RT, de la Garza-Grahm M, Reeder CB, Weiland LH, Beart RW Jr, Gleich GJ, Kephart GM, de Groen PC. Eosinophil-mediated bile duct stricture. A case studied by immunohistochemistry. Arch Pathol Lab Med. 1992 Nov; 116(11):1241-3.
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  80. Wszolek ZK, Aksamit AJ, Ellingson RJ, Sharbrough FW, Westmoreland BF, Pfeiffer RF, Steg RE, de Groen PC. Epileptiform electroencephalographic abnormalities in liver transplant recipients. Ann Neurol. 1991 Jul; 30(1):37-41.
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  81. de Groen PC. Cyclosporine and the liver: how one affects the other. Transplant Proc. 1990 Jun; 22(3):1197-202.
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  82. de Groen PC, LeSage GD, Tietz PS, LaRusso NF. Purification and immunological quantification of rat liver lysosomal glycosidases. Biochem J. 1989 Nov 15; 264(1):115-23.
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  83. de Groen PC. Cyclosporine: a review and its specific use in liver transplantation. Mayo Clin Proc. 1989 Jun; 64(6):680-9.
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  84. de Groen PC, Wiesner RH, Krom RA. Advanced liver failure predisposes to cyclosporine-induced central nervous system symptoms after liver transplantation. Transplant Proc. 1989 Feb; 21(1 Pt 2):2456.
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  85. de Groen PC. Chronische intoxicatie door salicylzuur verbindingen: vaak niet herkend of verkeerd hehandeld. Ned Tijdschr Geneeskd. 1989; 133:1481-5.
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  86. de Groen PC, Aksamit AJ, Westmoreland BF, Kottke BA, Krom RAF. Low cholesterol levels and intracranial hemorrhages after liver transplantation. New England J Med. 1989; 321:1340-1.
  87. Wilson SE, de Groen PC, Aksamit AJ, Wiesner RH, Garrity JA, Krom RA. Cyclosporin A-induced reversible cortical blindness. J Clin Neuroophthalmol. 1988 Dec; 8(4):215-20.
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  88. de Groen PC. Cyclosporine, low-density lipoprotein, and cholesterol. Mayo Clin Proc. 1988 Oct; 63(10):1012-21.
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  89. de Groen PC, Wiesner RH, Krom RA. Cyclosporine A-induced side effects related to a low total serum cholesterol level: an indication for a free cyclosporine A assay? Transplant Proc. 1988 Apr; 20(2 Suppl 2):374-6.
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  90. de Groen PC, McCallum DK, Moyer TP, Wiesner RH. Pharmacokinetics of cyclosporine in patients with primary biliary cirrhosis. Transplant Proc. 1988 Apr; 20(2 Suppl 2):509-11.
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  91. de Groen PC, Aksamit AJ, Rakela J, Forbes GS, Krom RAF. The role of cyclosporine A and cholesterol in a new central nervous system syndrome after liver transplantation. Transplant Proc. 1988 Feb; 20(Suppl 1):625-7.
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  92. de Groen PC, Aksamit AJ, Rakela J, Forbes GS, Krom RA. Central nervous system toxicity after liver transplantation. The role of cyclosporine and cholesterol. N Engl J Med. 1987 Oct 1; 317(14):861-6.
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  93. de Groen PC, Rakela J, Moore SC, McGill DB, Burton DD, Ott BJ, Zinsmeister AR. Diagnostic laparoscopy in gastroenterology. A 14-year experience. Dig Dis Sci. 1987 Jul; 32(7):677-81.
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