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- european journal of obstetrics gynecology and reproductive biology6
- archives of disease in childhood - fetal and neonatal edition5
- american journal of obstetrics and gynecology4
- irish medical journal4
- obstetrics & gynecology4
- american journal of obstetrics & gynecology3
- australian new zealand journal of obstetrics gynaecology3
- bmc pregnancy and childbirth3
- 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 obstetricians3