Growing complexity in the choice of Down's syndrome screening policy.
Cuckle
H S
HS
D015415:Biomarkers / Q000097:blood; D003657:Decision Making; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006291:Health Policy; D006801:Humans; D008403:Mass Screening / Q000191:economics / Q000379:methods / Q000592:standards; D011247:Pregnancy; D011262:Pregnancy Trimester, Second / Q000097:blood / Q000502:physiology; D011296:Prenatal Diagnosis / Q000191:economics / Q000379:methods / Q000592:standards
D015415:Biomarkers