• Constipation, American Gastroenterological Association Medical Position Statement on Constipation, 2013
• www.worldgastroenterology.org (11.2010)

• Diverticulitis, October 2018, N Engl J Med 2018; 379:1635-1642
• American Gastroenterological Association Institute Guideline on the Management of Acute Diverticulitis, Gastroenterology, December 2015, Volume 149, Issue 7, Pages 1944–1949
• WGO Practice Guidelines Maladies diverticulaires (2007)

• Quality Standard Dyspepsia and gastro‑oesophageal reflux disease in adults, NICE, July 2015

Evaluation

• S2k-Guideline Helicobacter pylori and gastroduodenal ulcer disease, Z Gastroenterol 2017; 54: 167–206
• American Gastroenterological Association Institute Guideline on the Role of Upper Gastrointestinal Biopsy to Evaluate Dyspepsia in the Adult Patient in the Absence of Visible Mucosal Lesions, Gastroenterology October 2015, Volume 149, Issue 4, Pages 1082–1087
• Diagnosis of Helicobacter pylori (HP) in dyspepsia: Quick Reference Guide for Primary Care , Health Protection Agency, Oct. 2008, update july 2017

Management

• Management of Helicobacter pylori infection—the Maastricht V/Florence Consensus Report, GUT Volume 66, Issue 1, 2017
• Helicobacter pylori “test-and-treat” strategy for management of dyspepsia: a comprehensive review. Clin Transl Gastroenterol. 2013 Mar; 4(32):1-17
• www.acg.gi.org/physicians/guidelines/dyspepsia.pdf (2005)

• Dysphagia , WGO, Sept 2014

Antibiotic Prophylaxis

• www.bsg.org.uk (March 2006 + 2001)
• www.esge.com (1998)

Anticoagulation

• Endoscopy and antiplatelet agents. European Society of Gastrointestinal Endoscopy (ESGE) Guideline? 2010
• Guideline on the management of anticoagulation and antiplatelet therapy for endoscopic procedures. American Society for Gastrointestinal Endoscopy. 1 June 2002.

Disinfection

• www.worrldgastroenterology.org (2011) : Endoscope disinfection—a resource-sensitive approach
• www.worldgastroenterology.org/ (2007)
• www.bsg.org.uk update (2005)
• www.esge.com (2003)

Standards for Upper GI Endoscopy

• European Society of Gastrointestinal Endoscopy 2019 Bowel Preparation Guideline, Endoscopy 2019 Aug
• Quality standards in upper gastrointestinal endoscopy: a position statement of the British Society of Gastroenterology (BSG) and Association of Upper Gastrointestinal Surgeons of Great Britain and Ireland (AUGIS), Gut. 2017 Aug 18.

• www.espen.org (2006)
• www.nice.org.uk (22.2.2006)
• www.bsg.org.uk (2003)
• Nutrition in Liver Disease. AWMF (DE) – Association of Scientific Medical Societies. 1 April 2006.
• Nutrition in Pancreatic Diseases. AWMF (DE) – Association of Scientific Medical Societies. 1 April 2006.

• Management of epithelial precancerous conditions and lesions in the stomach (MAPS II). Endoscopy 2019; 51(04): 365-388

• Infectious Diseases Society of America Infectious Diarrhea Guidelines: A View From the Clinical Laboratory, Clinical Infectious Diseases, cix730, https://doi.org/10.1093/cid/cix730. Published: 19 October 2017
• Gastroenteritis , NHS, Sept. 200

• Global Perspective on Gastroesophageal Reflux Disease, World Gastroenterology Organisation Global Guidelines, October 2015
• Guidelines for the Diagnosis and Management of Gastroesophageal Reflux Disease, The American Journal of Gastroenterology 108, 308-328 (March 2013)
• Endoscopic augmentation of the lower oesophageal sphincter using hydrogel implants for the treatment of gastro-oesophageal reflux disease. NICE (GB). 1 June 2007.

• Gastrointestinal stromal tumours: ESMO–EURACAN Clinical Practice Guidelines for diagnosis, treatment and follow-up. Ann Oncol. May 28, 2018