Blood flow.mean:Vel:Pt:Umbilical artery.between fetus and placenta^Fetus:Qn:US.doppler
blood flow.mean:vel:pt:umbilical artery.between fetus and placenta^fetus:qn:us.doppler
Fet Umb a fetus-plc Vmean DOP
fet umb a fetus-plc vmean dop