title: [Retroperitoneal perforation of the duodenal ulcer].
mesh_terms: D000328:Adult; D004381:Duodenal Ulcer / Q000150:complications*; D006801:Humans; D008297:Male; D010439:Peptic Ulcer Perforation / Q000150:complications*; D012187:Retroperitoneal Space
vernacular_title: Zaotrzewnowe przedziurawienie wrzodu dwunastnicy.