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Kazumasa Nagai
Department of Gastroenterology and Hepatology, Tokyo Medical University Department of Gastroenterology and Hepatology, Tokyo Medical University Hachioji Medical Center
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Takayoshi Tsuchiya
Department of Gastroenterology and Hepatology, Tokyo Medical University
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Katsuya Kitamura
Department of Gastroenterology and Hepatology, Tokyo Medical University Hachioji Medical Center
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Yasutsugu Asai
Department of Gastroenterology and Hepatology, Tokyo Medical University
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Atsushi Sofuni
Department of Gastroenterology and Hepatology, Tokyo Medical University
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Takao Itoi
Department of Gastroenterology and Hepatology, Tokyo Medical University