title: CT ratios: parameter estimates are inconsistent with SURUSS publications?
authors.forename: Dave
authors.initials: D
authors.lastname: Wright
authors.forename: Ian
authors.initials: I
authors.lastname: Bradbury
authors.forename: Peter
authors.initials: P
authors.lastname: Benn
authors.forename: Barry
authors.initials: B
authors.lastname: Nix
authors.forename: Kevin
authors.initials: K
authors.lastname: Spencer
authors.forename: Howard
authors.initials: H
authors.lastname: Cuckle
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D015233:Models, Statistical; D016011:Normal Distribution; D011237:Predictive Value of Tests; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis