[Atypical gastroduodenal ulcer perforations].
D003951:Diagnostic Errors; D004381:Duodenal Ulcer / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009852:Omentum; D010439:Peptic Ulcer Perforation / Q000175:diagnosis* / Q000601:surgery; D010538:Peritonitis / Q000175:diagnosis; D012187:Retroperitoneal Space; D013276:Stomach Ulcer / Q000150:complications*
Atipichnye perforatsii gastroduodenal'nykh iazv.