title: Abdominal surgery (first of three parts).
mesh_terms: D000005:Abdomen / Q000601:surgery*; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001062:Appendectomy; D003424:Crohn Disease / Q000601:surgery; D004381:Duodenal Ulcer / Q000601:surgery; D004386:Duodenum / Q000601:surgery; D004940:Esophageal Stenosis / Q000601:surgery; D004947:Esophagus / Q000601:surgery; D005756:Gastritis / Q000601:surgery; D005764:Gastroesophageal Reflux / Q000601:surgery; D005767:Gastrointestinal Diseases / Q000601:surgery*; D006551:Hernia, Hiatal / Q000601:surgery; D006801:Humans; D007081:Ileostomy; D007415:Intestinal Obstruction / Q000601:surgery; D007421:Intestine, Small / Q000601:surgery; D013270:Stomach / Q000601:surgery; D013274:Stomach Neoplasms / Q000601:surgery; D013276:Stomach Ulcer / Q000601:surgery; D015043:Zollinger-Ellison Syndrome / Q000601:surgery
chemical_list: D000900:Anti-Bacterial Agents