Antenatal screening for Down's syndrome.
Alfirevic
Zarko
Z
Neilson
James P
JP
D015415:Biomarkers / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods* / Q000592:standards; D018570:Risk Assessment
D015415:Biomarkers