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Tomonori ANBO
Division of Gastroenterology, Sapporo Kousei Hospital
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Yoshio MURASIMA
Hokkaido Health Care Center of The Seaman's Insurance.
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Akimichi IMAMURA
Hokkaido Health Care Center of The Seaman's Insurance.
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Toshihiro SUGA
Division of Gastroenterology, Sapporo Kousei Hospital
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Kunihiro TERAKURA
Hokkaido Health Care Center of The Seaman's Insurance.