First trimester fetal nuchal translucency: problems with screening the general population 1 & 2.
Braithwaite
J M
JM
Economides
D L
DL
D005260:Female; D005333:Fetus / Q000473:pathology*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000379:methods*