Antenatal screening for Down's syndrome.
Gutteridge
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W
D003362:Cost-Benefit Analysis; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening / Q000191:economics; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000191:economics*