title: Bezoar formation after vagotomy and pyloroplasty.
mesh_terms: D001630:Bezoars / Q000209:etiology*; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology; D007421:Intestine, Small / Q000601:surgery; D008297:Male; D011183:Postoperative Complications; D011708:Pylorus / Q000601:surgery*; D014628:Vagotomy / Q000009:adverse effects*