Gastroduodenal fistula; a complication of gastric ulcer.
D004386:Duodenum; D005402:Fistula; D005747:Gastric Fistula; D007412:Intestinal Fistula; D010437:Peptic Ulcer / Q000150:complications*; D013276:Stomach Ulcer
DUODENUM/fistula; PEPTIC ULCER/complications; STOMACH/fistula