About Gerd: Gastroesophageal Reflux Disease
http://www.aboutgerd.org
American College of Gastroenterology
http://www.acg.gi.org
American Gastroenterological Association
http://www.gastro.org
American Liver Foundation
http://www.liverfoundation.org
American Society for Gastrointestinal Endoscopy
http://www.asge.org
American Society for the Study of Liver Diseases
http://www.aasld.org
Crohn’s and Colitis Foundation of America
http://www.ccfa.org
International Foundation for Functional Gastrointestinal Disorders
http://www.iffgd.org
The Mayo Clinic
http://www.mayoclinic.com
National Institute of Diabetes & Digestive & Kidney Diseases
http://www.niddk.nih.gov
Web MD
http://www.webmd.com
Yahoo Gastroenterology
http://dir.yahoo.com/Health/Medicine/Gastroenterology/
(248) 865-6555 
contact@endoctr.com