Prenatal screening for Down syndrome.
Seller
M J
MJ
D001007:Anxiety; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000523:psychology; D000509:alpha-Fetoproteins / Q000032:analysis
D000509:alpha-Fetoproteins