American Gastroenterological Association. Our new president--Jon I. Isenberg, M.D.
Boland
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Division of Gastroenterology University of California, San Diego, La Jolla, California 92093-0688, USA. crboland@ucsd.edu
Yamada
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D005762:Gastroenterology; D049673:History, 20th Century; D014481:United States