Ultrasonography in the detection of fetal anomalies in early pregnancy.
Economides
D L
DL
Royal Free and University College Medical School, London.
Whitlow
B J
BJ
Braithwaite
J M
JM
D002869:Chromosome Aberrations; D005260:Female; D005333:Fetus / Q000002:abnormalities*; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging / Q000196:embryology*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000379:methods*