Down's syndrome screening in the UK.
Nicolaides
K H
KH
Sebire
N J
NJ
Snijders
R J
RJ
Johnson
S
S
D000328:Adult; D004314:Down Syndrome / Q000453:epidemiology / Q000517:prevention & control*; D005260:Female; D005820:Genetic Testing; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D016216:Ultrasonography, Prenatal; D006113:United Kingdom / Q000453:epidemiology