Blood flow velocity.systolic.max:Vel:Pt:Aorta descending^Fetus:Qn:US.doppler
blood flow velocity.systolic.max:vel:pt:aorta descending^fetus:qn:us.doppler
Fetal Aorta descending Peak systolic flow velocity US.doppler
fetal aorta descending peak systolic flow velocity us.doppler