title: Antenatal screening policies for Down's syndrome. Serum screening for Down's syndrome is better than age screening.
authors.forename: Michael
authors.initials: M
authors.lastname: Christiansen
authors.forename: Severin Olesen
authors.initials: SO
authors.lastname: Larsen
authors.forename: Bent
authors.initials: B
authors.lastname: Nørgaard-Pedersen
mesh_terms: D000328:Adult; D015415:Biomarkers / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis / Q000379:methods*; D012680:Sensitivity and Specificity
chemical_list: D015415:Biomarkers