Useful Links
American College of Gastroenterology | www.gi.org
American Gastroenterological Association | www.gastro.org
National Digestive Diseases Information
Clearinghouse | National Health Institute | www.digestive.niddk.nih.gov
American Liver Foundation | www.liverfoundation.org/
Crohn’s & Colitis Foundation of America | www.ccfa.org/