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Journal of Obstetrics and Gynaecology Research > 41 > 7 > 1137 - 1140
Seminars in Fetal and Neonatal Medicine > 2007 > 12 > 6 > 482-489
Journal of Obstetrics and Gynaecology Research > 41 > 7 > 1137 - 1140
Seminars in Fetal and Neonatal Medicine > 2007 > 12 > 6 > 482-489