TY - GEN AU - Smith,N C TI - MRCOG. Screening for fetal abnormalities SN - 0007-1064 PY - 1996///1119 KW - Chorionic Villi Sampling KW - methods KW - Congenital Abnormalities KW - blood KW - Humans KW - Infant, Newborn KW - Karyotyping KW - Mass Screening KW - Prenatal Diagnosis KW - Risk Factors KW - alpha-Fetoproteins KW - analysis N1 - Publication Type: Journal Article; Review ER -