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Kouji Banno
Department of 0bstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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Nobuyuki Susumu
Department of 0bstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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Takeshi Hirao
Department of 0bstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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Takashi Iwata
Department of 0bstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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Akira Hirasawa
Department of 0bstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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Daisuke Aoki
Department of 0bstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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Shiro Nozawa
Department of 0bstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan