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Publications - Jonathan E . Clain, M.D.

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  1. Sah RP, Pannala R, Chari ST, Sugumar A, Clain JE, Levy MJ, Pearson RK, Smyrk TC, Petersen BT, Topazian MD, Takahashi N, Vege SS. Prevalence, Diagnosis, and Profile of Autoimmune Pancreatitis Presenting with Features of Acute or Chronic Pancreatitis. Clin Gastroenterol Hepatol 2009 Oct 02. [Epub ahead of print]
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  2. Chari ST, Takahashi N, Levy MJ, Smyrk TC, Clain JE, Pearson RK, Petersen BT, Topazian MA, Vege SS. A diagnostic strategy to distinguish autoimmune pancreatitis from pancreatic cancer. Clin Gastroenterol Hepatol 2009 Oct; 7(10):1097-103. Epub 2009 May 04.
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  3. Vege SS, Gardner TB, Chari ST, Baron TH, Clain JE, Pearson RK, Petersen BT, Farnell MB, Sarr MG. Outcomes of intra-abdominal fungal vs. bacterial infections in severe acute pancreatitis. Am J Gastroenterol 2009 Aug; 104(8):2065-70. Epub 2009 Jun 02.
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  4. Gill KR, Pelaez-Luna M, Keaveny A, Woodward TA, Wallace MB, Chari ST, Smyrk TC, Takahashi N, Clain JE, Levy MJ, Pearson RK, Petersen BT, Topazian MD, Vege SS, Kendrick M, Farnell MB, Raimondo M. Branch duct intraductal papillary mucinous neoplasm of the pancreas in solid organ transplant recipients. Am J Gastroenterol 2009 May; 104(5):1256-61. Epub 2009 Apr 07.
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  5. Gleeson FC, Clain JE, Papachristou GI, Rajan E, Topazian MD, Wang KK, Levy MJ. Prospective assessment of EUS criteria for lymphadenopathy associated with rectal cancer. Gastrointest Endosc 2009 Apr; 69(4):896-903. Epub 2008 Aug 20.
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  6. Vege SS, Gardner TB, Chari ST, Munukuti P, Pearson RK, Clain JE, Petersen BT, Baron TH, Farnell MB, Sarr MG. Low mortality and high morbidity in severe acute pancreatitis without organ failure: a case for revising the Atlanta classification to include "moderately severe acute pancreatitis". Am J Gastroenterol 2009 Mar; 104(3):710-5. Epub 2009 Feb 03.
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  7. Gleeson FC, Clayton AC, Zhang L, Clain JE, Gores GJ, Rajan E, Smyrk TC, Topazian MD, Wang KK, Wiersema MJ, Levy MJ. Adequacy of endoscopic ultrasound core needle biopsy specimen of nonmalignant hepatic parenchymal disease. Clin Gastroenterol Hepatol 2008 Dec; 6(12):1437-40. Epub 2008 Jul 26.
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  8. Gleeson FC, Clain JE, Rajan E, Topazian MD, Wang KK, Wiersema MJ, Zhang L, Levy MJ. Secondary linitis plastica of the rectum: EUS features and tissue diagnosis (with video). Gastrointest Endosc 2008 Sep; 68(3):591-6. Epub 2008 Jul 16.
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  9. Pelaez-Luna M, Vege SS, Petersen BT, Chari ST, Clain JE, Levy MJ, Pearson RK, Topazian MD, Farnell MB, Kendrick ML, Baron TH. Disconnected pancreatic duct syndrome in severe acute pancreatitis: clinical and imaging characteristics and outcomes in a cohort of 31 cases. Gastrointest Endosc 2008 Jul; 68(1):91-7. Epub 2008 Apr 18.
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  10. Ghazale A, Chari ST, Zhang L, Smyrk TC, Takahashi N, Levy MJ, Topazian MD, Clain JE, Pearson RK, Petersen BT, Vege SS, Lindor K, Farnell MB. Immunoglobulin G4-associated cholangitis: clinical profile and response to therapy. Gastroenterology 2008 Mar; 134(3):706-15. Epub 2007 Dec 07.
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  11. Gleeson FC, Rajan E, Levy MJ, Clain JE, Topazian MD, Harewood GC, Papachristou GI, Takahashi N, Rosen CB, Gores GJ. EUS-guided FNA of regional lymph nodes in patients with unresectable hilar cholangiocarcinoma. Gastrointest Endosc 2008 Mar; 67(3):438-43. Epub 2007 Dec 03.
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  12. Levy MJ, Topazian MD, Wiersema MJ, Clain JE, Rajan E, Wang KK, de la Mora JG, Gleeson FC, Pearson RK, Pelaez MC, Petersen BT, Vege SS, Chari ST. Initial evaluation of the efficacy and safety of endoscopic ultrasound-guided direct Ganglia neurolysis and block. Am J Gastroenterol 2008 Jan; 103(1):98-103. Epub 2007 Oct 26.
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  13. Gardner TB, Vege SS, Chari ST, Pearson RK, Clain JE, Topazian MD, Levy MJ, Petersen BT. The effect of age on hospital outcomes in severe acute pancreatitis. Pancreatology 2008; 8(3):265-70. Epub 2008 May 22.
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  14. Yusuf TE, Levy MJ, Wiersema MJ, Clain JE, Harewood GC, Rajan E, Topazian MD, Wang KK. Utility of endoscopic ultrasound in the diagnosis of aberrant right subclavian artery. J Gastroenterol Hepatol. 2007 Nov; 22(11):1717-21.
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  15. Levy MJ, Clain JE, Clayton A, Halling KC, Kipp BR, Rajan E, Roberts LR, Root RM, Sebo TJ, Topazian MD, Wang KK, Wiersema MJ, Gores GJ. Preliminary experience comparing routine cytology results with the composite results of digital image analysis and fluorescence in situ hybridization in patients undergoing EUS-guided FNA. Gastrointest Endosc 2007 Sep; 66(3):483-90.
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  16. Ghazale A, Chari ST, Smyrk TC, Levy MJ, Topazian MD, Takahashi N, Clain JE, Pearson RK, Pelaez-Luna M, Petersen BT, Vege SS, Farnell MB. Value of serum IgG4 in the diagnosis of autoimmune pancreatitis and in distinguishing it from pancreatic cancer. Am J Gastroenterol 2007 Aug; 102(8):1646-53.
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  17. Pelaez-Luna M, Chari ST, Smyrk TC, Takahashi N, Clain JE, Levy MJ, Pearson RK, Petersen BT, Topazian MD, Vege SS, Kendrick M, Farnell MB. Do consensus indications for resection in branch duct intraductal papillary mucinous neoplasm predict malignancy? A study of 147 patients. Am J Gastroenterol 2007 Aug; 102(8):1759-64.
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  18. Ghazale A, Chari ST, Smyrk TC, Levy MJ, Topazian MD, Takahashi N, Clain JE, Pearson RK, Pelaez-Luna M, Petersen BT, Vege SS, Farnell MB. Value of serum IgG4 in the diagnosis of autoimmune pancreatitis and in distinguishing it from pancreatic cancer. Am J Gastroenterol 2007 Aug; 102(8):1646-53. Epub 2007 Jun 06.
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  19. Topazian M, Enders F, Kimmey M, Brand R, Chak A, Clain J, Cunningham J, Eloubeidi M, Gerdes H, Gress F, Jagannath S, Kantsevoy S, LeBlanc JK, Levy M, Lightdale C, Romagnuolo J, Saltzman JR, Savides T, Wiersema M, Woodward T, Petersen G, Canto M. Interobserver agreement for EUS findings in familial pancreatic-cancer kindreds. Gastrointest Endosc 2007 Jul; 66(1):62-7. Epub 2007 Mar 23.
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  20. Gleeson FC, Levy MJ, Papachristou GI, Pelaez-Luna M, Rajan E, Clain JE, Topazian MD. Frequency of visualization of presumed celiac ganglia by endoscopic ultrasound. Endoscopy 2007 Jul; 39(7):620-4. Epub 2007 Jun 05.
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  21. Levy MJ, Norton ID, Clain JE, Enders FB, Gleeson F, Limburg PJ, Nelson H, Rajan E, Topazian MD, Wang KK, Wiersema MJ, Wilson WR. Prospective Study of Bacteremia and Complications With EUS FNA of Rectal and Perirectal Lesions. Clin Gastroenterol Hepatol 2007 Jun; 5(6):684-9.
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  22. Pelaez-Luna M, Chari ST, Smyrk TC, Takahashi N, Clain JE, Levy MJ, Pearson RK, Petersen BT, Topazian MD, Vege SS, Kendrick M, Farnell MB. Do consensus indications for resection in branch duct intraductal papillary mucinous neoplasm predict malignancy? A study of 147 patients. Am J Gastroenterol 2007; 102:1759-64.
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  23. Ghazale A, Chari ST, Smyrk TC, Levy MJ, Topazian MD, Takahashi N, Clain JE, Pearson RK, Pelaez-Luna M, Petersen B, Vege SS, Farnell MB. Value of Serum IgG4 in teh Diagnosis of Autoimmune Pancreatitis and in Distinguishing It From Pancreatic Cancer. Am J Gastroenterol 2007; 102:1646-53.
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  24. Ghazale A, Chari ST, Smyrk TC, Levy MJ, Topazian MD, Takahashi N, Clain JE, Pearson RK, Pelaez-Luna M, Petersen BT, Vege SS, Farnell MB. Value of Serum IgG4 in the Diagnosis of Autoimmune Pancreatitis and in Distinguishing It From Pancreatic Cancer. Am J of Gastroenterol 2007; 102:1-8.
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  25. Levy MJ, Topazian M, Keeney G, Clain JE, Gleeson F, Rajan E, Wang KK, Wiersema MJ, Farnell M, Chari S. Preoperative diagnosis of extrapancreatic neural invasion in pancreatic cancer. Clin Gastroenterol Hepatol 2006 Dec; 4(12):1479-82. Epub 2006 Nov 13.
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  26. Chari ST, Smyrk TC, Levy MJ, Topazian MD, Takahashi N, Zhang L, Clain JE, Pearson RK, Petersen BT, Vege SS, Farnell MB. Diagnosis of autoimmune pancreatitis: the Mayo Clinic experience. Clin Gastroenterol Hepatol 2006 Aug; 4(8):1010-6; quiz 934. Epub 2006 Jul 14.
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  27. Yusuf TE, Clain JE. Formation of an aortic graft-enteric fistula 20 years after aortic graft placement. Endoscopy 2006 Jul; 38(7):766. Epub 2006 Mar 23.
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  28. Vazquez-Sequeiros E, Levy MJ, Clain JE, Schwartz DA, Harewood GC, Salomao D, Wiersema MJ. Routine vs. selective EUS-guided FNA approach for preoperative nodal staging of esophageal carcinoma. Gastrointest Endosc 2006 Feb; 63(2):204-11.
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  29. Yusuf TE, Harewood GC, Clain JE, Levy MJ. International survey of knowledge of indications for EUS. Gastrointest Endosc 2006 Jan; 63(1):107-11.
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  30. Yusuf TE, Harewood GC, Clain JE, Levy MJ, Topazian MD, Rajan E. Clinical implications of the extent of invasion of T3 esophageal cancer by endoscopic ultrasound. J Gastroenterol Hepatol 2005 Dec; 20(12):1880-5.
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  31. Lowe VJ, Booya F, Fletcher JG, Nathan M, Jensen E, Mullan B, Rohren E, Wiersema MJ, Vazquez-Sequeiros E, Murray JA, Allen MS, Levy MJ, Clain JE. Comparison of positron emission tomography, computed tomography, and endoscopic ultrasound in the initial staging of patients with esophageal cancer. Molecular Imaging & Biology 2005 Nov-Dec; 7(6):422-30.
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  32. Wolfson D, Barkin JS, Chari ST, Clain JE, Bell RH, Alexakis N, Neoptolemos JP. Management of pancreatic masses. Pancreas 2005 Oct; 31(3):203-17.
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  33. Gines A, Wiersema MJ, Clain JE, Pochron NL, Rajan E, Levy MJ. Prospective study of a Trucut needle for performing EUS-guided biopsy with EUS-guided FNA rescue. Gastrointest Endosc 2005 Oct; 62(4):597-601.
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  34. Levy MJ, Smyrk TC, Reddy RP, Clain JE, Harewood GC, Kendrick ML, Pearson RK, Petersen BT, Rajan E, Topazian MD, Wang KK, Wiersema MJ, Yusuf TE, Chari ST. Endoscopic ultrasound-guided trucut biopsy of the cyst wall for diagnosing cystic pancreatic tumors. Clin Gastroenterol Hepatol 2005 Oct; 3(10):974-9.
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  35. Harewood GC, Yusuf TE, Clain JE, Levy MJ, Topazian MD, Rajan E. Assessment of the impact of an educational course on knowledge of appropriate EUS indications. Gastrointest Endosc 2005 Apr; 61(4):554-9.
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  36. Rajan E, Clain JE, Levy MJ, Norton ID, Wang KK, Wiersema MJ, Vazquez-Sequeiros E, Nelson BJ, Jondal ML, Kendall RK, Harmsen WS, Zinsmeister AR. Age-related changes in the pancreas identified by EUS: a prospective evaluation. Gastrointest Endosc 2005 Mar; 61(3):401-6.
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  37. Levy MJ, Reddy RP, Wiersema MJ, Smyrk TC, Yusuf TE, Pearson RK, Clain JE, Chari ST. Endoscopic ultrasound guided trucut biopsy (EUS TCB) in establishing autoimmune pancreatitis (AIP) as the cause of obstructive jaundice. Gastrointest Endosc 2005 Mar; 61(3):467-72.
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  38. Levy MJ, Reddy RP, Wiersema MJ, Smyrk TC, Clain JE, Harewood GC, Pearson RK, Rajan E, Topazian MD, Yusuf TE, Chari ST, Petersen BT. EUS-guided trucut biopsy in establishing autoimmune pancreatitis as the cause of obstructive jaundice. Gastrointest Endosc 2005 Mar; 61(3):467-72.
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  39. Vazquez-Sequeiros E, Levy MJ, Clain JE, Schwartz D, Harewood GC, Salomao D, Wiersema MJ. Routine Versus Selective EUS FNA Approach for Preoperative Nodal Staging of Esophageal Carcinoma. Gastrointest Endosc 2005; 63(2):204-11.
  40. Reddy RP, Smyrk TC, Zapiach M, Levy MJ, Pearson RK, Clain JE, Farnell MB, Sarr MG, Chari ST. Pancreatic mucinous cystic neoplasm defined by ovarian stroma: demographics, clinical features, and prevalence of cancer. Clin Gastroenterol Hepatol 2004 Nov; 2(11):1026-31.
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  41. Yusuf TE, Harewood GC, Clain JE, Levy MJ, Wang KK, Topazian MD, Rajan E. Knowledge of indications for EUS among gastroenterologists and non-gastroenterologists. Gastrointest Endosc 2004 Oct; 60(4):575-9.
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  42. Eloubeidi MA, Gress FG, Savides TJ, Wiersema MJ, Kochman ML, Ahmad NA, Ginsberg GG, Erickson RA, DeWitt J, Van Dam J, Nickl NJ, Levy MJ, Clain JE, Chak A, Sivak MV, Wong R, Isenberg G, Scheiman JM, Bounds B, Kimmey MB, Saunders MD, Chang KJ, Sharma A, Ngu Acute pancreatitis after EUS-guided FNA of solid pancreatic masses: a pooled analysis from EUS centers in the United States. Gastrointest Endosc 2004 Sep; 60(3):385-9.
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  43. Levy MJ, Clain JE. Evaluation and management of cystic pancreatic tumors: emphasis on the role of EUS FNA. Clin Gastroenterol Hepatol 2004 Aug; 2(8):639-53.
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  44. Harewood GC, Kumar KS, Clain JE, Levy MJ, Nelson H. Clinical implications of quantification of mesorectal tumor invasion by endoscopic ultrasound: All T3 rectal cancers are not equal. Journal of Gastroenterology & Hepatology 2004 Jul; 19(7):750-5.
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  45. Swaroop VS, Chari ST, Clain JE. Severe acute pancreatitis. JAMA 2004 Jun 16; 291(23):2865-8.
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  46. Levy MJ, Chari S, Adler DG, Clain JE, Gostout CJ, Harewood GC, Pearson RK, Petersen BT, Sarr MG, Farnell MB. Complications of temporary pancreatic stent insertion for pancreaticojejunal anastomosis during pancreaticoduodenectomy. Gastrointest Endosc 2004 May; 59(6):719-24.
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  47. Zapiach M, Yadav D, Smyrk TC, Fletcher JG, Pearson RK, Clain JE, Farnell MB, Chari ST. Calcifying obstructive pancreatitis: a study of intraductal papillary mucinous neoplasm associated with pancreatic calcification. Clinical Gastroenterology & Hepatology 2004 Jan; 2(1):57-63.
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  48. Vazquez-Sequeiros E, Wiersema MJ, Clain JE, Norton ID, Levy MJ, Romero Y, Salomao D, Dierkhising R, Zinsmeister AR. Impact of lymph node staging on therapy of esophageal carcinoma. Gastroenterology 2003 Dec; 125(6):1626-35.
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  49. Yadav D, Levy MJ, Schwartz D, Jondal ML, Clain J, Wiersema MJ. EUS-guided trucut biopsy for diagnosis of an esophageal stromal tumor: case report. Gastrointest Endosc 2003 Sep; 58(3):457-60.
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  50. Levy MJ, Norton ID, Wiersema MJ, Schwartz DA, Clain JE, Vazquez-Sequeiros E, Wilson WR, Zinsmeister AR, Jondal ML. Prospective risk assessment of bacteremia and other infectious complications in patients undergoing EUS-guided FNA. Gastrointest Endosc 2003 May; 57(5):672-8.
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  51. Yadav D, Notahara K, Smyrk TC, Clain JE, Pearson RK, Farnell MB, Chari ST. Idiopathic tumefactive chronic pancreatitis: clinical profile, histology, and natural history after resection. Clinical Gastroenterology & Hepatology 2003 Mar; 1(2):129-35.
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  52. Levy MJ, Jondal ML, Clain J, Wiersema MJ. Preliminary experience with an EUS-guided trucut biopsy needle compared with EUS-guided FNA. Gastrointest Endosc 2003 Jan; 57(1):101-6.
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  53. Schwartz DA, Unni KK, Levy MJ, Clain JE, Wiersema MJ. The rate of false-positive results with EUS-guided fine-needle aspiration. Gastrointest Endosc 2002 Dec; 56(6):868-72.
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  54. Chari ST, Yadav D, Smyrk TC, DiMagno EP, Miller LJ, Raimondo M, Clain JE, Norton IA, Pearson RK, Petersen BT, Wiersema MJ, Farnell MB, Sarr MG. Study of recurrence after surgical resection of intraductal papillary mucinous neoplasm of the pancreas. Gastroenterology 2002 Nov; 123(5):1500-7.
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  55. Pearson RK, Clain JE, Longnecker DS, Reber HA. Intraductal papillary-mucinous tumor (IPMT): American Pancreatic Association Clinical Symposium. Pancreas 2002 Oct; 25(3):217-21.
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  56. Sedlack R, Affi A, Vazquez-Sequeiros E, Norton ID, Clain JE, Wiersema MJ. Utility of EUS in the evaluation of cystic pancreatic lesions. Gastrointest Endosc 2002 Oct; 56(4):543-7.
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  57. Vazquez-Sequeiros E, Baron TH, Clain JE, Gostout CJ, Norton ID, Petersen BT, Levy MJ, Jondal ML, Wiersema MJ. Evaluation of indeterminate bile duct strictures by intraductal US. Gastrointest Endosc 2002 Sep; 56(3):372-9.
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  58. Lowry PW, Myers JD, Geller A, Bostwick DG, Clain JE. Graft-versus-host-like colitis and malignant thymoma. Dig Dis Sci 2002 Sep; 47(9):1998-2001.
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  59. Gines A, Vazquez-Sequeiros E, Soria MT, Clain JE, Wiersema MJ. Usefulness of EUS-guided fine needle aspiration (EUS-FNA) in the diagnosis of functioning neuroendocrine tumors. Gastrointest Endosc 2002 Aug; 56(2):291-6.
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  60. Yadav D, Clain JE. Medical Management of Chronic Pancreatitis. Chinese Journal of Hepato-Biliary Surgery 2002 August; 8 Supp:15-19.
  61. Harewood GC, Wiersema MJ, Nelson H, MacCarty RL, Olson JE, Clain JE, Ahlquist DA, Jondal ML. A prospective, blinded assessment of the impact of preoperative staging on the management of rectal cancer. Gastroenterology 2002 Jul; 123(1):24-32.
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  62. Clain JE, Pearson RK. Evidence-based approach to idiopathic pancreatitis. Curr Gastroenterol Rep 2002 Apr; 4(2):128-34.
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  63. Norton ID, Zheng Y, Wiersema MS, Greenleaf J, Clain JE, DiMagno EP. Neural network analysis of EUS images to differentiate between pancreatic malignancy and pancreatitis. Gastrointest Endosc 2001 Nov; 54(5):625-629.
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  64. Schwartz DA, Wiersema MJ, Dudiak KM, Fletcher JG, Clain JE, Tremaine WJ, Zinsmeister AR, Norton ID, Boardman LA, Devine RM, Wolff BG, Young-Fadok TM, Diehl NN, Pemberton JH, Sandborn WJ. A comparison of endoscopic ultrasound, magnetic resonance imaging, and exam under anesthesia for evaluation of Crohn's perianal fistulas. Gastroenterology 2001 Nov; 121(5):1064-1072.
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  65. Norton ID, Clain JE, Wiersema MJ, DiMagno EP, Petersen BT, Gostout CJ. Utility of endoscopic ultrasonography in endoscopic drainage of pancreatic pseudocysts in selected patients. Mayo Clin Proc 2001 Aug; 76(8):794-8.
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  66. Vazquez-Sequeiros E, Norton ID, Clain JE, Wang KK, Affi A, Allen M, Deschamps C, Miller D, Salomao D, Wiersema MJ. Impact of EUS-guided fine-needle aspiration on lymph node staging in patients with esophageal carcinoma. Gastrointest Endosc 2001 Jun; 53(7):751-7.
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  67. Ribeiro A, Vazquez-Sequeiros E, Wiersema LM, Wang KK, Clain JE, Wiersema MJ. EUS-guided fine-needle aspiration combined with flow cytometry and immunocytochemistry in the diagnosis of lymphoma. Gastrointest Endosc 2001 Apr; 53(4):485-91.
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  68. Affi A, Vazquez-Sequeiros E, Norton ID, Clain JE, Wiersema MJ. Acute extraluminal hemorrhage associated with EUS-guided fine needle aspiration: frequency and clinical significance. Gastrointest Endosc 2001 Feb; 53(2):221-5.
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  69. Norton ID, Clain JE. Optimizing outcomes in acute pancreatitis. Drugs 2001; 61(11):1581-1591.
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  70. Norton ID, Clain JE. The role of transabdominal ultrasonography, helical computed tomography, and magnetic resonance cholangiopancreatography in diagnosis and management of pancreatic disease. Curr Gastroenterol Rep 2000 Apr; 2(2):120-4.
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  71. Clain JE, Pearson RK. Diagnosis of chronic pancreatitis. Is a gold standard necessary? Surg Clin North Am 1999 Aug; 79(4):829-45.
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  72. Raimondo M, Ashby AM, York EA, Derfus GA, Farnell MB, Clain JE. Pancreatic pseudocyst with fistula to the common bile duct presenting with gastrointestinal bleeding. Dig Dis Sci 1998 Dec; 43(12):2622-6.
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  73. Geller A, Clain JE, Lewis BS, Gostout CJ. Enteroliths in a Kock continent ileostomy: endoscopic diagnosis and management. Gastrointest Endosc 1998 Sep; 48(3):306-8.
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  74. Lowry PW, Myers JD, Geller A, Bostwick DG, Clain JE. Graft-versus Host-like Colitis and Malignant Thymoma (Case Report). Dig Dis Sci 1998-2001, 2002; 47(9).
  75. Layer P, Yamamoto H, Kalthoff L, Clain JE, Bakken LJ, DiMagno EP. The different courses of early- and late-onset idiopathic and alcoholic chronic pancreatitis. Gastroenterology 1994 Nov; 107(5):1481-7.
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  76. Gostout CJ, Wang KK, Ahlquist DA, Clain JE, Hughes RW, Larson MV, Petersen BT, Schroeder KW, Tremaine WJ, Viggiano TR. Acute gastrointestinal bleeding. Experience of a specialized management team. J Clin Gastroenterol 1992 Apr; 14(3):260-7.
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  77. DiMagno EP, Zinsmeister AR, Larson DE, Viggiano TR, Clain JE, Laughlin BL, Hughes RW. Influence of hepatic reserve and cause of esophageal varices on survival and rebleeding before and after the introduction of sclerotherapy: a retrospective analysis. Mayo Clin Proc 1985 Mar; 60(3):149-57.
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  78. Clain JE, Stephens DH, Charboneau JW. Ultrasonography and computed tomography in focal fatty liver. Report of two cases with special emphasis on changing appearances over time. Gastroenterology 1984 Oct; 87(4):948-52.
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  79. Clain JE. Differential diagnosis of pancreatic cancer and chronic pancreatitis. Intern Med Spec 1983; 4:71-80.
  80. Dimagno EP, Regan PT, Clain JE, James EM, Buxton JL. Human endoscopic ultrasonography. Gastroenterology 1982 Oct; 83(4):824-9.
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  81. Clain JE, Barbezat GO, Marks IN. Exocrine pancreatic enzyme and calcium secretion in health and pancreatitis. Gut 1981 May; 22(5):355-8.
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  82. Girdwood AH, Clain JE. A comparison between simple aspiration marker correction, marker correction, and marker perfusion techniques in the estimation of pancreatic function. S Afr Med J 1981 Feb; 59:262-264.
  83. Bornman PC, Marks IN, Girdwood AH, Clain JE, Narunsky L, Clain DJ, Wright JP. Is pancreatic duct obstruction or stricture a major cause of pain in calcific pancreatitis? Br J Surg 1980 Jun; 67(6):425-8.
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  84. Clain JE, Wright JP, Price RN, Marks IN. In vitro neutralizing capacity of commercially available antacid mixtures, and their role in the treatment of peptic ulcer. S Afr Med J 1980 Feb 2; 57(5):158-60.
  85. Clain DJ, Brown AA, Clain JE. Colonoscopy in lower gastro-intestinal haemorrhage. S Afr Med J 1979 Apr 28; 55(18):713-4.
  86. Kalvaria I, Clain JE. Diabetic diarrhoea and steatorrhoea. A case report and review of the literature. S Afr Med J 1979 Mar 31; 55(14):562-4.
  87. Barbezat GO, Clain JE, Halter F. A double-blind trial of loperamide in the treatment of chronic diarrhoea. S Afr Med J 1979 Mar 24; 55(13):502-3.
  88. Miller LJ, Clain JE, Malagelada JR, Go VL. Control of human postprandial pancreatic exocrine secretion: a function of the gastroduodenal region. Dig Dis Sci 1979 Feb; 24(2):150-4.
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  89. Wright JP, Barbezat GO, Clain JE. Jejunal secretion in response to a duodenal mixed nutrient perfusion. Gastroenterology 1979 Jan; 76(1):94-8.
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  90. Clain JE, Novis BH, Barbezat GO, Bank S. The Mallory-Weiss syndrome. A prospective study in 130 patients. S Afr Med J 1978 Apr 15; 53(15):596-7.
  91. Clain JE, Barbezat GO, Kramer IB, Tigler-Wybrandi NA. In vitro enzyme activity of commercially available pancreatic enzyme extracts. S Afr Med J 1978 Apr 15; 53(15):582.
  92. Clain JE, Go VL, Malagelada JR. Inhibitory role of the distal small intestine on the gastric secretory response to meals in man. Gastroenterology 1978 Apr; 74(4):704-7.
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  93. Odes HS, Barbezat GO, Clain JE, Bank S. Effect of calcitonin on pancreatic secretion in man. S Afr Med J 1978; 53:201-203.
  94. Clain JE, Barbezat GO, Waterworth MM, Bank S. Glucagon inhibition of secretin and combined secretin and cholecystokinin stimulated pancreatic exocrine secretion in health and disease. Digestion 1978; 17(1):11-7.
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  95. Clain JE, Malagelada JR, Chadwick VS, Hofmann AF. Binding properties in vitro of antacids for conjugated bile acids. Gastroenterology 1977 Sep; 73(3):556-9.
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  96. Clain JE, Malagelada JR, Go VL, Summerskill WH. Participation of the jejunum and ileum in postprandial gastric secretion in man. Gastroenterology 1977 Aug; 73(2):211-4.
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  97. Clain JE, Barbezat GO, Bank S. The effect of acute hyperglycaemia on hormonally and stimulated exocrine pancreatic secretion in man. S Afr Med J 1977; 52:358-361.
  98. Novis BH, Duys P, Barbezat GO, Clain J, Bank S, Terblanche J. Fibreoptic endoscopy and the use of the Sengstaken tube in acute gastrointestinal haemorrhage in patients with portal hypertension and varices. Gut 1976 Apr; 17(4):258-63.
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  99. Novis BH, Clain J, Barbezat G, Bank S. Urgent fibre-optic panendoscopy in upper gastro-intestinal haemorrhage. S Afr Med J 1976 Jan 24; 50(4):93-6.
  100. Clain J, Bank S, Barbezat GO, Novis BH, Marks IN. A comparison between secretin alone and sequential and simultaneous secretin and cholecystokinin administration in the assessment of pancreatic function. Gut 1974 Nov; 15(11):885-8.
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  101. Barbezat GO, Bank S, Clain J, Novis B, Marks IN. Oral metiamide as an effective inhibitor of gastric acid secretion in man. S Afr Med J 1974 Oct 5; 48(48):2018-20.
  102. Clain J, Novis BH, Bank S, Kahn LB, Marks IN. Cathartic colon with unusual histological features. S Afr Med J 1974 Feb 9; 48(6):216-8.
  103. Novis BH, Bank S, Marks IN, Clain JE. Upper gastrointestinal fibre-optic endoscopy: a three-year study at Groote Schuur hospital. S Afr Med J 1974; 48:857-861.
  104. Clain JE. Spontaneous haemopneumothorax: a case report. S Afr Med J 1972; 46:926-8.
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