title: Integrated screening for Down's syndrome.
authors.affiliation: University of Washington, Seattle, USA. fchen@u.washington.edu
authors.forename: F M
authors.initials: FM
authors.lastname: Chen
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005189:False Positive Reactions; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods* / Q000592:standards*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity