[Surgical tactics for treating late middle-aged patients with perforating ulcers].
D000368:Aged; D004381:Duodenal Ulcer / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000601:surgery*; D013276:Stomach Ulcer / Q000601:surgery*
Taktika operativnogo lecheniia bol'nykh pozhilogo vozrasta s probodnymi iazvami.