[Silent gastric ulcer].
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology; D012737:Sex Factors; D013276:Stomach Ulcer / Q000175:diagnosis* / Q000453:epidemiology / Q000473:pathology