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- american journal of obstetrics and gynecology77
- american journal of obstetrics & gynecology39
- american journal of perinatology17
- journal of maternal-fetal & neonatal medicine10
- clinical obstetrics & gynecology6
- new england journal of medicine6
- health services research5
- journal of maternal fetal neonatal medicine the official journal of the european association of perinatal medicine the federation of asia and oceania perinatal societies the international society of perinatal obstetricians5
- obstetrics & gynecology5