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Toshiyuki Ooishi
Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Japan
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Issei Saeki
Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Japan
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Takahiro Yamasaki
Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Japan Department of Oncology and Laboratory Medicine, Yamaguchi University Graduate School of Medicine, Japan
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Isao Sakaida
Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Japan