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Yoshinori HORIE
Research Center of Clinical Medicine, International University of Health and Welfare, Sanno Medical Center Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University
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Hirotoshi EBINUMA
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University
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Takanori KANAI
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University