title: Detection of Down's syndrome.
authors.forename: Ashley
authors.initials: A
authors.lastname: Bloomfield
authors.forename: Pat
authors.initials: P
authors.lastname: Tuohy
mesh_terms: D004314:Down Syndrome / Q000000981:diagnostic imaging*; D006801:Humans; D009295:Nasal Bone / Q000000981:diagnostic imaging*; D009333:Neck / Q000000981:diagnostic imaging; D016216:Ultrasonography, Prenatal