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Tetsuo Arakawa
Department of Gastroenterology, Osaka City University Graduate School of Medicine
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Yasuhiro Fujiwara
Department of Gastroenterology, Osaka City University Graduate School of Medicine
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Kazunari Tominaga
Department of Gastroenterology, Osaka City University Graduate School of Medicine
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Toshio Watanabe
Department of Gastroenterology, Osaka City University Graduate School of Medicine
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Tetsuya Tanigawa
Department of Gastroenterology, Osaka City University Graduate School of Medicine