title: Detection rates and false positive rates for Down syndrome screening: how precisely can they be estimated?
authors.affiliation: Centre for Health and Medical Research, University of Teesside, Middlesbrough, UK.
authors.forename: J C
authors.initials: JC
authors.lastname: Gray
authors.forename: F D
authors.initials: FD
authors.lastname: Dunstan
authors.forename: A B
authors.initials: AB
authors.lastname: Nix
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000706:statistics & numerical data*; D012680:Sensitivity and Specificity