title: [Duodenal ulcer complicated by hemorrhage and perforation].
mesh_terms: D004381:Duodenal Ulcer / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*; D010439:Peptic Ulcer Perforation / Q000209:etiology*
vernacular_title: Choroba wrzodowa dwunastnicy powikłana krwawieniem i przedziurawieniem.