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Kiyotaka OKAWA
Department of Gastroenterology, Osaka City General Hospital, Osaka, Japan. Department of Gastroenterology, Osaka City Juso Hospital, Osaka, Japan.
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Tomoyuki NAKAMURA
Department of Internal Medicine, Osaka City General Hospital, Osaka, Japan.
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Wataru UEDA
Department of Gastroenterology, Osaka City General Hospital, Osaka, Japan. Department of Gastroenterology, Osaka City Juso Hospital, Osaka, Japan.
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Koji SANO
Department of Gastroenterology, Osaka City General Hospital, Osaka, Japan.
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Yuki KUBO
Department of Pathology, Osaka City General Hospital, Osaka, Japan.
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Takeshi INOUE
Department of Pathology, Osaka City General Hospital, Osaka, Japan.
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Hideto OIYA
Oiya Clinic, Osaka, Japan.