Blood flow velocity.systolic.max:Vel:Pt:Heart.ventricle.left.outflow tract^Fetus:Qn:US.doppler
blood flow velocity.systolic.max:vel:pt:heart.ventricle.left.outflow tract^fetus:qn:us.doppler
Fetal Left ventricular outflow tract Peak systolic flow velocity US.doppler
fetal left ventricular outflow tract peak systolic flow velocity us.doppler