Nuchal translucency and gestational age.
Nicolaides
K H
KH
Heath
V
V
Spencer
K
K
Nix
A B J
AB
D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D005865:Gestational Age; D006801:Humans; D048208:Nuchal Translucency Measurement; D011247:Pregnancy; D013997:Time Factors