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Hiroyasu MAKINO
Department of Surgery, Chiba University, School of Medicine
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Katsumi YAMAMOTO
Department of Surgery, Chiba University, School of Medicine
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Norio YAMANO
Department of Surgery, Chiba University, School of Medicine
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Michio FUKUSHIMA
Department of Surgery, Chiba University, School of Medicine
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KOZO AKASHI
Department of Surgery, Chiba University, School of Medicine