title: Screening for Down's syndrome. Statistical modelling is best tool for formulating screening policy.
authors.forename: H
authors.initials: H
authors.lastname: Cuckle
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008423:Maternal Age; D015233:Models, Statistical; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis / Q000379:methods*