- Celiac Disease Foundation
- Crohn's and Colitis Foundation of America
- American College of Gastroenterology
- American College of Gastroenterology - Recursos en Espanol
- National Institute of Health: Information on Crohn's Disease
- National Institute of Health: Information on Ulcerative Colitis
- Health Information from the National Institute of Health
- American Liver Foundation: A useful link for Viral Hepatitis and other causes of Liver Disease
- St. Louise Regional Hospital, Gilroy