Proceedings of the Royal Society of Medicine · 1971 · 20 citations · 0 references
MedicineObstetricsPediatricsMaternal-fetal MedicineObstetric ComplicationsPrenatal DiagnosisCongenital AnomaliesCongenital DisordersCongenital MalformationsFetal AnomaliesNeural Tube DefectsPregnancyAssessment Of Congenital AnomaliesBirth Defect AssessmentCongenital Anomalies In NewbornsCongenital Anomaly RiskEtiology Of Congenital AnomaliesPathogenesis Of Congenital AnomaliesPlacental Development Defects