[Screening for Down's syndrome in the second trimester].
Goldman
A
A
Hod
M
M
Friedman
S
S
Ovadia
J
J
D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis