[Simultaneous perforation of two duodenal ulcers].
D000293:Adolescent; D004381:Duodenal Ulcer / Q000150:complications* / Q000601:surgery; D006801:Humans; D008297:Male; D010439:Peptic Ulcer Perforation / Q000601:surgery*
Odnovremennaia perforatsiia dvukh iazv dvenadtsatiperstnoĭ kishki.