Sonographic measurements and ratios in fetuses with Down syndrome.
Perrella
R R
RR
Duerinckx
A J
AJ
Tabsh
K
K
Crandall
B F
BF
D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011237:Predictive Value of Tests; D011247:Pregnancy; D014463:Ultrasonography