[Surgery of gastric ulcer in middle-aged and elderly patients].
D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D013276:Stomach Ulcer / Q000601:surgery*
Operatsii pri iazve zheludka u lits pozhilogo i starcheskogo vozrasta.