title: Down's syndrome screening.
authors.forename: P A
authors.initials: PA
authors.lastname: Boyd
authors.forename: P
authors.initials: P
authors.lastname: Chamberlain
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006291:Health Policy; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D006113:United Kingdom