title: Gastrointestinal and biliary tracts.
mesh_terms: D001646:Bile; D001660:Biliary Tract Diseases / Q000601:surgery*; D002769:Cholelithiasis / Q000601:surgery; D002784:Cholesterol / Q000378:metabolism; D005750:Gastric Juice / Q000378:metabolism; D005767:Gastrointestinal Diseases / Q000601:surgery*; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy; D006801:Humans; D009765:Obesity / Q000601:surgery; D010437:Peptic Ulcer / Q000188:drug therapy; D010713:Phosphatidylcholines / Q000627:therapeutic use; D011708:Pylorus / Q000601:surgery; D012106:Research; D013312:Stress, Physiological / Q000150:complications; D014547:Urinary Diversion; D014628:Vagotomy; D014667:Vasopressins / Q000627:therapeutic use; D014801:Vitamin A / Q000627:therapeutic use
chemical_list: D010713:Phosphatidylcholines; D014667:Vasopressins; D014801:Vitamin A; D002784:Cholesterol