title: [Antrobulbar fistula? Double pylorus?].
mesh_terms: D000368:Aged; D004378:Duodenal Diseases / Q000209:etiology*; D004724:Endoscopy; D005747:Gastric Fistula / Q000209:etiology*; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D008297:Male; D010439:Peptic Ulcer Perforation / Q000150:complications*; D011708:Pylorus / Q000002:abnormalities; D013276:Stomach Ulcer / Q000150:complications*
vernacular_title: Fístula antrobulbar? Píloro doble?