title: More accurate Down syndrome screening test hits the market.
authors: Deborah
authors: D
authors: Levenson
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis* / Q000235:genetics; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000191:economics / Q000379:methods*; D012017:Referral and Consultation; D017422:Sequence Analysis, DNA