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Noriko SEKI
Department of obstetrics and Gyrecology, Okayama medical school
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Atsushi HONGO
Department of obstetrics and Gyrecology, Okayama medical school
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Junichi KODAMA
Department of obstetrics and Gyrecology, Okayama medical school
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Yuji HIRAMATSU
Department of obstetrics and Gyrecology, Okayama medical school