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