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Pregnancy
Gestational Age
Fetal Growth Retardation
Fetal Diseases
Adnexal Diseases
Ultrasonography, Prenatal
Ultrasonography
Prenatal Diagnosis
Color Doppler Ultrasonography
Ultrasonography, Doppler
Blood Flow Velocity
Prospective Studies
Sensitivity and Specificity
Pregnancy Outcomes
Retrospective Studies
Fetuses
Umbilical Veins
Umbilical Arteries
Fetal Blood
Newborn Infant
Co-Publications
37
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16
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13
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