Pulsatility index:VelRto:Pt:Umbilical artery.between fetus and placenta^Fetus:Qn:US.doppler
pulsatility index:velrto:pt:umbilical artery.between fetus and placenta^fetus:qn:us.doppler
Pulsatility index:Velocity Ratio:To identify measures at a point in time:Umbilical artery.between fetus and placenta^Fetus:Quantitative:Ultrasound.doppler
pulsatility index:velocity ratio:to identify measures at a point in time:umbilical artery.between fetus and placenta^fetus:quantitative:ultrasound.doppler