[Failure of the criteria of malignancy in stomach ulceration in middle-aged persons].
D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging* / Q000209:etiology; D013276:Stomach Ulcer / Q000150:complications / Q000000981:diagnostic imaging*
O nesostoiatel'nosti kriteriev zlokachestvennosti pri iz''iazvleniiakh zheludka u lits pozhilogo vozrasta.