title: Denmark halves Down's births by non-invasive screening in early pregnancy.
authors.forename: Susan
authors.initials: S
authors.lastname: Mayor
mesh_terms: D003718:Denmark / Q000453:epidemiology; D004314:Down Syndrome / Q000453:epidemiology / Q000517:prevention & control*; D042241:Early Diagnosis; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*