[Endoscopic and biopsy studies on chronic gastritis. 2. Re-evaluation of endoscopic criteria for atrophic gastritis based on the observation using the light-guided fibergastroscope].
D001706:Biopsy; D005336:Fiber Optic Technology; D005756:Gastritis / Q000175:diagnosis* / Q000473:pathology; D020699:Gastroscopes; D005773:Gastroscopy; D006801:Humans; D008027:Light