title: Maternal serum screening for neural tube defects and Down syndrome.
authors.affiliation: Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX 77030.
authors.forename: D
authors.initials: D
authors.lastname: Keith
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods / Q000458:organization & administration* / Q000706:statistics & numerical data; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods / Q000592:standards*; D000509:alpha-Fetoproteins / Q000032:analysis*