Integrated screening for Down's syndrome.
Jenkins
T M
TM
Wapner
R J
RJ
D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D012107:Research Design; D012680:Sensitivity and Specificity