Spirt, Beverly A. Prenatal ultrasound : - New York : Churchill Livingstone, 1987. - x, 148 p. : ill. ISBN: 0443084556 Subjects--Topical Terms: FetusFetusFetusFetusPrenatal diagnosisAbnormalitiesFetusPrenatal DiagnosisUltrasonic Diagnosis LC Class. No.: MED RG628.3.U58 / S68