Velocity-time integral.XXX:Len:Pt:Circulatory system.XXX:Qn:US.doppler
velocity-time integral.xxx:len:pt:circulatory system.xxx:qn:us.doppler
Velocity-time integral.XXX:Length:To identify measures at a point in time:Circulatory system.Not specified:Quantitative:Ultrasound.doppler
velocity-time integral.xxx:length:to identify measures at a point in time:circulatory system.not specified:quantitative:ultrasound.doppler