title: [Perforation of duodenal ulcer into the retroperitoneal space].
mesh_terms: D000328:Adult; D002908:Chronic Disease; D004381:Duodenal Ulcer / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000175:diagnosis*; D012187:Retroperitoneal Space
vernacular_title: Przedziurawienie wrzodu dwunastnicy do przestrazeni zaotrzewnowej.