[Chronological changes of atrophic gastritis].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001284:Atrophy; D001706:Biopsy; D002648:Child; D005260:Female; D005500:Follow-Up Studies; D005756:Gastritis / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged