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Journal
- american journal of obstetrics and gynecology63
- obstetrics & gynecology12
- journal of ultrasound in medicine11
- ajr. american journal of roentgenology10
- obstetrics and gynecology10
- ultrasound in obstetrics and gynecology9
- ultrasound in obstetrics & gynecology8
- the journal of maternal-fetal & neonatal medicine5
- american journal of perinatology4