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Pregnancy
Gestational Age
Intrauterine Blood Transfusion
Ultrasonography
Prenatal Diagnosis
Ultrasonography, Prenatal
Newborn Infant
Fetal Erythroblastosis
Rh Isoimmunization
Fetal Diseases
Hydrops Fetalis
Premature Obstetric Labor
Fetal Blood
Fetuses
Umbilical Veins
Cerebral Arteries
Retrospective Studies
Blood Flow Velocity
Hematocrit
Indomethacin
Co-Publications
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