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Publications by Genichi Koyama
Acase of Metastatic Gastric Cancer From Rectal Signet-Ring Cell Carcinoma
Progress of Digestive Endoscopy
Two Cases of Ruptured Gastic Varices Treated by Endoscopic Injection Sclerotherapy Combined With Endoscopic Variceal Ligation
Progress of Digestive Endoscopy(1972)