[Pathogenetic features of recurrent peptic ulcer in the elderly].
Sergeev
S A
SA
Pavlova
N I
NI
D000293:Adolescent; D000328:Adult; D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000209:etiology* / Q000473:pathology / Q000517:prevention & control*; D012008:Recurrence