[Features of the form and course of stomach ulcers in elderly people].
D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer
Osobennosti formy i techeniia iazvy zheludka u lits pozhilogo i starcheskogo vozrasta.