American Journal of Obstetrics and Gynecology · 1987 · 27 citations · 2 references
MedicineGynecologyObstetricsObstetric UltrasoundUltrasonographyUltrasoundAmniotic Fluid AssessmentFetal ImagingObstetric UltrasonographyPregnancy DiagnosisPrenatal ImagingSecond Trimester UltrasoundPrenatal UltrasonographySecond Trimester ImagingSecond Trimester UltrasonographySecond-trimester Amniotic Fluid Assessment
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