The effect of gestational age on maternal serum alpha-fetoprotein levels in pregnancies with Down syndrome.
Cuckle
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HS
D004314:Down Syndrome / Q000196:embryology*; D005260:Female; D005315:Fetal Diseases; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy / Q000097:blood*; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins