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渡辺 章, 江上 格, 松田 健, 滝沢 隆雄, 山下 精彦, 恩田 昌彦. "22.小児上部消化管内視鏡例の検討(ポスター抄録, 第20回日本小児外科学会関東甲信越地方会)." Journal of the Japanese Society of Pediatric Surgeons 22.7 (1986) 1293