title: Abdominal surgery (first of three parts).
mesh_terms: D000005:Abdomen / Q000601:surgery*; D000368:Aged; D001064:Appendicitis / Q000601:surgery; D002927:Cimetidine / Q000627:therapeutic use; D003424:Crohn Disease / Q000601:surgery; D004381:Duodenal Ulcer / Q000601:surgery; D005743:Gastrectomy; D005764:Gastroesophageal Reflux / Q000601:surgery; D006471:Gastrointestinal Hemorrhage / Q000601:surgery; D006551:Hernia, Hiatal / Q000601:surgery; D006801:Humans; D007081:Ileostomy; D007415:Intestinal Obstruction / Q000601:surgery; D007422:Intestines / Q000601:surgery; D010437:Peptic Ulcer / Q000188:drug therapy; D011183:Postoperative Complications; D013270:Stomach / Q000502:physiology; D013274:Stomach Neoplasms / Q000601:surgery; D013276:Stomach Ulcer / Q000601:surgery; D014628:Vagotomy
chemical_list: D002927:Cimetidine