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Journal
- american journal of obstetrics and gynecology151
- obstetrics & gynecology28
- american journal of perinatology23
- obstetrics and gynecology8
- american journal of obstetrics & gynecology mfm6
- the journal of maternal-fetal & neonatal medicine6
- obstetric anesthesia digest5
- american journal of obstetricsgynecology mfm4
- the journal of maternal-fetalneonatal medicine : the official journal of the european association of perinatal medicine, the federation of asia and oceania perinatal societies, the international society of perinatal obstetricians4