Integrated screening for Down's syndrome.
Malone
F D
FD
D'Alton
M E
ME
Berkowitz
R L
RL
D015415:Biomarkers / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000379:methods*; D016216:Ultrasonography, Prenatal
D015415:Biomarkers