Blood flow velocity.systole.max/Blood flow velocity.diastole.max^expiration:VelRto:Pt:Hepatic vein:Qn:US.doppler.derived
blood flow velocity.systole.max/blood flow velocity.diastole.max^expiration:velrto:pt:hepatic vein:qn:us.doppler.derived
Hep v Vmax sys/dias exp DOP.der
hep v vmax sys/dias exp dop.der