[Aorto-enteric fistula as a cause of melena].
D001018:Aortic Diseases / Q000150:complications* / Q000175:diagnosis; D001807:Blood Vessel Prosthesis / Q000009:adverse effects; D005402:Fistula / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D007412:Intestinal Fistula / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008551:Melena / Q000209:etiology*; D008875:Middle Aged; D011183:Postoperative Complications / Q000209:etiology