title: Antenatal screening for Down's syndrome.
authors.forename: N J
authors.initials: NJ
authors.lastname: Wald
authors.forename: A
authors.initials: A
authors.lastname: Kennard
authors.forename: A
authors.initials: A
authors.lastname: Hackshaw
authors.forename: A
authors.initials: A
authors.lastname: McGuire
mesh_terms: D015415:Biomarkers; D003362:Cost-Benefit Analysis; D003663:Decision Trees; D004314:Down Syndrome / Q000175:diagnosis* / Q000235:genetics / Q000378:metabolism / Q000517:prevention & control; D006297:Health Services Accessibility; D006801:Humans; D008403:Mass Screening / Q000191:economics / Q000379:methods*; D011296:Prenatal Diagnosis / Q000191:economics / Q000379:methods*; D011785:Quality Assurance, Health Care; D015203:Reproducibility of Results; D013673:Technology Assessment, Biomedical
chemical_list: D015415:Biomarkers