Toward fewer complications in surgery.
D002763:Cholecystectomy; D003093:Colitis, Ulcerative / Q000601:surgery; D003106:Colon / Q000601:surgery; D003424:Crohn Disease / Q000601:surgery; D004239:Diverticulitis, Colonic / Q000601:surgery; D004381:Duodenal Ulcer / Q000601:surgery; D005743:Gastrectomy; D006801:Humans; D008722:Methods; D011183:Postoperative Complications / Q000517:prevention & control*; D013965:Thyroidectomy; D014628:Vagotomy