American Gastroenterological Association
The American Gastroenterological Association is the trusted voice of the GI community. Founded in 1897, AGA has grown to include more than 16,000 members from around the globe who are involved in all aspects of the science, practice and advancement of gastroenterology.
National Institute of Diabetes & Digestive & Kidney Diseases (National Digestive Disease Information Clearinghouse)
The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) conducts, supports, and coordinates research on many of the most serious diseases affecting public health. The Institute supports clinical research on the diseases of internal medicine and related subspecialty fields, as well as many basic science disciplines.