Annals of Internal Medicine · 1971 · 1.4K citations · 0 references
MedicineObstetricsPediatricsDevelopmental PediatricsMaternal-fetal MedicineObstetric ComplicationsBirth Defects EpidemiologyCongenital AnomaliesCongenital Disorder EpidemiologyCongenital DisordersCongenital MalformationsFetal AnomaliesAssessment Of Congenital AnomaliesBirth Defect SurveillanceCongenital Anomalies In NewbornsEtiology Of Congenital AnomaliesFetal Chromosomal Abnormalities