Dr. Ertan has been a member of the Consultant Board and was selected to write 16 chapters in gastroenterology in the Griffith's 5-Minute Clinical Consult, a well respected and well distributed large text book for primary care physicians, family practitioners, internists, specialized internists and medical trainees in the USA and many countries in Europe and other parts of the world since 1999 to present time.

Coauthor of Gastroenterology Section of Current Practice of Medicine.

Coauthor of the Comprehensive Gastroenterology Section of Current Practice of Medicine is one of the first available internet gastroenterology textbook.

The below sections on Barrett's, ERCP, and IBD Research are similar in format. Photos can come from their respective PowerPoint presentations.

Books or Book Chapters:

Somatostatin, corticotrophin releasing hormone and growth hormone releasing hormone in gastrointestinal tract. In Pholpramool C, Sudsuang R (eds.), Proceedings of the First Congress of the Asian and Oceanian Physiological Societies. The Physiological Society. 1987, pp 159 - 66 (with Arimura A, et al).

Massive rectal bleeding: What is a rational approach. In Barkin JS, Rogers AI (eds.), Difficult Decisions in Digestive Diseases. Year Book Medical Publishers, Inc. 1988, pp 427 - 432 (with N.M. Agrawal).

Pancreatic physiology; Chronic pancreatitis; Pancreatic tumors; Cystic fibrosis. In Aktan H (ed.), Gastroenteroloji. Macro Publishers, Inc. 1988, pp 367 - 389 (In Turkish).

Self-assessment Examination Answers and Annotated Bibliography by Self-Assessment Examination Committee members of American College of Gastroenterology. Gower Medical Publishing, Ltd. 1991, 1993, 1995 and 1997.

Colorectal cancer screening. In Iammarino NK, Werstein AC (eds.), Improving Cancer Screening. Texas Cancer Council. 1993, pp 97-122.

The 5-Minute Clinical Consult (Book and data base). In Griffith HW, Dambro M (eds.), Consultant in 12 different chapters in gastroenterology, Board of Consultants. Lea & Febiger, Philadelphia and London. 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 and 2002, 2003, 2004, 2005, 2006.

Endocrine tumors of gastrointestinal tract. In Graham DY, Ertan A (eds.), Current Practice of Medicine, Gastroenterology. Current Medicine, Philadelphia. 1996, 1998, and 2000. Volume IV and Chapter 11.

Cholelithiasis and associated conditions: Gallbladder and Biliary, Gallstone Disease and its Complications. In DiBaise JK (ed.), Gastroenterology and Hepatology - Pearls of Wisdom. Boston Medical Publishing Corp. 2000, pp 24 - 37 (with Balachandar G., Raijman I., Trowers E.A.)

Best Practice of Medicine, Gotto A (ed). Gastroenterology, Ertan A (ed). Internet base textbook. Praxis Press Inc, 2001.

Chapters on Gastroenteritis & Inguinal hernia. Merck Medicus. White House, N. J., 2001 & 2002.

Cholelithiasis and Associated Conditions.   In DiBalse JK (ed). Gastroenterology and Hepatology Board Review; Pearls of Wisdom, Third Edition.   The McGraw-Hill Comp, Inc, 2012, pp 295-304 (with David Wolf).

Endoscopic Ablation of Barrett’s Esophagus Using the Halo System.   In Szabo Z, Coburg AJ, Reich H, Yamamoto M, Brem H, Harwin FF (ed), Surgical Technology International XXI.   Universal Medical Press, Inc, 2012 pp (with Wolf D & Dunkin B).