[Endoscopic studies of chronic atrophic gastritis before and after medical treatment--report of 60 cases].
D000328:Adult; D000368:Aged; D001706:Biopsy; D002908:Chronic Disease; D005260:Female; D005756:Gastritis / Q000473:pathology*; D005757:Gastritis, Atrophic / Q000188:drug therapy / Q000473:pathology*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged