Patient Gastrointestinal/Liver disease information from the National Institutes of Health
digestive.niddk.nih.gov
American Gastroenterological Association Information for patients
www.gastro.org/patient-center
American College of Gastroenterology Patient Information
www.acg.gi.org/patients
American Liver Foundation
www.liverfoundation.org
Celiac Disease Foundation
www.celiac.org
Crohn's and Colitis Foundation
www.ccfa.org