Optimising prenatal diagnosis of Down's syndrome.
Neilson
James P
JP
Alfirevic
Zarko
Z
D015415:Biomarkers / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods* / Q000592:standards; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000379:methods / Q000592:standards
D015415:Biomarkers