Journal of Clinical Ultrasound · 1994 · 31 citations · 9 references
MedicineGynecologyObstetricsMaternal-fetal MedicineObstetric UltrasoundUltrasonographyFetal AnomaliesFetal ImagingFirst-trimester UltrasoundObstetric UltrasonographyPregnancy DiagnosisPrenatal ImagingFirst Trimester ImagingFirst Trimester UltrasonographyFirst-trimester Fetal AnatomyFirst-trimester Pregnancy UltrasoundPregnancy UltrasonographyPrenatal UltrasonographySerial Ultrasonographic Monitoring
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