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Hiroaki SOMA
Department of Obstetrics and Gynecology, Tokyo Medical College
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Hidemi KADA
Department of Obstetrics and Gynecology, Tokyo Medical College
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Kunio MATAYOSHI
Department of Obstetrics and Gynecology, Tokyo Medical College
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Takashi KIYOKAWA
Department of Obstetrics and Gynecology, Tokyo Medical College
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Takeyoshi ITO
Japan Serow Center
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Minoru MIYASHITA
Osaka Tennoji Zoo
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Kenjiro NAGASE
Osaka Tennoji Zoo