[Surgical treatment of peptic ulcer in late middle-aged and elderly patients].
D000368:Aged; D004381:Duodenal Ulcer / Q000601:surgery*; D006801:Humans; D008722:Methods; D008875:Middle Aged; D013276:Stomach Ulcer / Q000601:surgery*
Khirurgicheskoe lechenie iazvennoĭ bolezni u lits pozhilogo i starcheskogo vozrasta.