title: Correct estimation of parameters for ultrasound nuchal translucency screening.
authors.forename: K H
authors.initials: KH
authors.lastname: Nicolaides
authors.forename: R J
authors.initials: RJ
authors.lastname: Snijders
authors.forename: H S
authors.initials: HS
authors.lastname: Cuckle
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal