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Journal of Obstetrics and Gynaecology Research > 45 > 3 > 719 - 723
Seminars in Perinatology > 2005 > 29 > 2 > 94-103
Journal of Obstetrics and Gynaecology Research > 45 > 3 > 719 - 723
Seminars in Perinatology > 2005 > 29 > 2 > 94-103