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2. [New magnifying endoscopic classification of the fine gastric mucosal pattern.];Sakaki N;Gastroenterol. Endosc.,1980
3. [Studies on depressed type of gastric cancer using magnifying endoscopy – Special reference to the life cycle of malignant ulcer.];Ohida M;Gastroenterol. Endosc.,1981
4. [Magnifying endoscopic observation for diagnosis of minute gastric cancer.];Sakaki N.;Clin. Gastroenterol.,1993
5. [Observations on the magnified gastric mucosa – With special reference to angiographic features of cancer lesion.];Ohishi M;Stom. Intest.,1978