Prevalence of gastritis in a rural population. Bioptic study of subjects selected at random.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001706:Biopsy; D005260:Female; D005387:Finland; D005753:Gastric Mucosa / Q000473:pathology; D005756:Gastritis / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012424:Rural Population; D012737:Sex Factors