INTESTINAL FISTULAS.
D003108:Colonic Diseases; D004378:Duodenal Diseases; D005747:Gastric Fistula; D006801:Humans; D007412:Intestinal Fistula; D013514:Surgical Procedures, Operative
COLONIC DISEASES; DUODENAL DISEASES; GASTRIC FISTULA; INTESTINAL FISTULA; SURGERY, OPERATIVE