American Journal of Obstetrics and Gynecology · 1997 · 120 citations · 5 references
MedicineMaternal HealthObstetricsHigh-risk PregnancyMaternal-fetal MedicinePrenatal DiagnosisDown SyndromeMaternal EpidemiologyMaternal Health EpidemiologyMaternal Medical ConditionsPregnancyPregnancy DiagnosisDown Syndrome EpidemiologyMaternal Antibody ScreeningMaternal Serum Alpha-fetoprotein ScreeningPrenatal Diagnosis Of Down SyndromePrenatal Screening MarkersScreening In High-risk Pregnancies
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Maternal serum screening for Down's syndrome in early pregnancy.
N J Wald, Howard Cuckle, J. W. Densem et al. · BMJ · 1988 · 974 citations · Full text
Nicholas Wald, Howard Cuckle, J. W. Densem et al. · BJOG An International Journal of Obstetrics & Gynaecology · 1992 · 202 citations