title: Gastric outlet obstruction--an unusual cause.
mesh_terms: D000328:Adult; D002769:Cholelithiasis / Q000150:complications*; D004378:Duodenal Diseases / Q000150:complications; D004380:Duodenal Obstruction / Q000209:etiology*; D005260:Female; D006801:Humans; D007416:Intestinal Perforation / Q000150:complications; D008297:Male; D008875:Middle Aged