An internist's view on the indications for surgery in chronic duodenal ulcer.
D004381:Duodenal Ulcer; D006801:Humans; D007415:Intestinal Obstruction; D010438:Peptic Ulcer Hemorrhage; D010439:Peptic Ulcer Perforation
DUODENAL ULCER; INTESTINAL OBSTRUCTION; PEPTIC ULCER HEMORRHAGE; PEPTIC ULCER PERFORATION