[Clinical course of peptic ulcer in middle age and in the elderly].
D000368:Aged; D004381:Duodenal Ulcer; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D013276:Stomach Ulcer
Klinicheskoe techenie iazvennoĭ bolezni u lits pozhilogo i starcheskogo vozrasta.