Nuchal translucency and trisomy 18.
Wald
N J
NJ
Hackshaw
A K
AK
Watt
H
H
D002887:Chromosomes, Human, Pair 18; D005260:Female; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging* / Q000196:embryology*; D011247:Pregnancy; D014314:Trisomy; D016216:Ultrasonography, Prenatal