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Kunihiro TAKANASHI
Center for Gastroenterology, Tokeidai Hospital
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Hisato HOMMA
Center for Gastroenterology, Tokeidai Hospital
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Shin-ichi MEZAWA
Center for Gastroenterology, Tokeidai Hospital
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Tadashi DOI
Center for Gastroenterology, Tokeidai Hospital
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Takehide AKIYAMA
Center for Gastroenterology, Tokeidai Hospital
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Ken-ichiro HIRATA
Center for Gastroenterology, Tokeidai Hospital
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Satoshi IYAMA
Forth department of internal medicine, Sapporo medical university