title: Aortoduodenal fistula: case report of massive gastrointestinal bleed.
mesh_terms: D000368:Aged; D001018:Aortic Diseases / Q000175:diagnosis*; D004378:Duodenal Diseases / Q000175:diagnosis*; D004384:Duodenoscopy; D005402:Fistula / Q000175:diagnosis*; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D007412:Intestinal Fistula / Q000175:diagnosis*; D008297:Male