title: Comparing three screening strategies for combining first- and second-trimester Down syndrome markers.
authors.forename: Brian
authors.initials: B
authors.lastname: Skotko
mesh_terms: D015415:Biomarkers / Q000097:blood; D003657:Decision Making; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D017060:Patient Satisfaction; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D018570:Risk Assessment; D014342:Truth Disclosure
chemical_list: D015415:Biomarkers