Epidemiology of peptic ulcer. I. Prevalence of peptic ulcer in an urban community of Delhi.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology*; D012737:Sex Factors; D014505:Urban Population