| bsg.org.uk | British Society of Gastroenterology |
| gi.org | American College of Gastroenterology |
| sage.org.ar | Sage::: Sociedad Argentina De Gastroenterología |
| sls.org | The Society of Laparoendoscopic Surgeons |
| reflux.org | Pediatric / Adolescent Gastroesophageal Reflux Association (PAGER) |
| ilts.org | International Liver Transplantation Society |
| clinnutr.org | The American Society for Parenteral and Enteral Nutrition |
| alpha1.org | Alpha 1 Association |
| uegf.org | United European Gastroenterology Federation |
| sgna.org | Society of Gastroenterology Nurses and Associates |
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