Professional Associations
- American College of Gastroenterology (ACG)
- American Gastroenterological Association (AGA)
- American Psychosomatic Society (APS)
- American Society for Clinical Hypnosis (ASCH)
- American College of Physicians (APC)
- Clinical Trials.gov
- Food and Drug Administration (FDA)
- Medline Plus (NIH and National Library of Medicine)
- National Digestive Diseases Information Clearinghouse (for NIDDK)
- NIH Health Information -- Digestive Diseases
- American Motility Society (AMS)
- Functional Brain-Gut Research Group (FBG)
- International Foundation for Functional Gastrointestinal Disorders (IFFGD)
- IBS Group
- IBS Health
- IBS Hypnosis.com
- Rome II Criteria (Rome Foundation)
- Intestinal Disease Foundation
- UNC Center for Functional GI & Motility Disorders
- National Center for Neurovisceral Sciences & Women’s Health (UCLA)
- British Society of Gastroenterology
- Canadian Association of Gastroenterology (CAG)
- European Society of Neurogastroenterology and Motility
- United European Gastroenterology Federation
- World Gastroenterology Organisation