title: Antenatal screening for Down's syndrome.
authors.forename: K
authors.initials: K
authors.lastname: Spencer
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening / Q000379:methods; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*