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Akihiko KOBAYASHI
Department of Surgery, Division of General and Gastroentelogical Surgery, ShowaUniversity, School of Medicine
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Masahiko MURAKAMI
Department of Surgery, Division of General and Gastroentelogical Surgery, ShowaUniversity, School of Medicine
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Takashi NIIYA
Department of Surgery, Division of General and Gastroentelogical Surgery, ShowaUniversity, School of Medicine
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Mitsuo KUSANO
Department of Surgery, Division of General and Gastroentelogical Surgery, ShowaUniversity, School of Medicine