American Journal of Obstetrics and Gynecology · 1991 · 15 citations · 23 references
MedicineMaternal HealthObstetricsObstetric UltrasoundPrenatal DiagnosisUltrasonographyAmniotic Fluid AssessmentFirst-trimester UltrasoundObstetric UltrasonographyPlacental UltrasonographyPregnancyPregnancy DiagnosisMaternal Serum Alpha-fetoprotein ScreeningPregnancy UltrasonographyPrenatal Ultrasonography
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RANDOMISED CONTROLLED TRIAL OF GENETIC AMNIOCENTESIS IN 4606 LOW-RISK WOMEN
Ann Tabor, Mette Madsen, Erikb. Obel et al. · The Lancet · 1986 · 873 citations
Medicine, Genetics, Obstetrics +8
POLIOMYELITIS AND TONSILLECTOMY
Arthur W. Proetz · The Medical Journal of Australia · 1955 · 420 citations
ULTRASOUND SCREENING FOR SPINA BIFIDA: CRANIAL AND CEREBELLAR SIGNS
K. H. Nicolaides, S G Gabbe, Stuart Campbell et al. · The Lancet · 1986 · 401 citations
Medicine, Obstetrics, Radiology +10
JohnR. Walton · The Lancet · 1972 · 352 citations