title: Digestive Disease Week and the 91st annual meeting of the American Gastroenterological Association. May 12-18, 1990, San Antonio, Texas. Program and abstracts.
mesh_terms: D000818:Animals; D004066:Digestive System Diseases; D004068:Digestive System Physiological Phenomena; D005767:Gastrointestinal Diseases; D006801:Humans