Blood velocity-time integral:Len:Pt:Heart.ventricle.left.outflow tract:Qn:US.doppler
blood velocity-time integral:len:pt:heart.ventricle.left.outflow tract:qn:us.doppler
Blood velocity-time integral:Len:Pt:Heart.ventricle.left.outflow tract:Qn:US.doppler
blood velocity-time integral:len:pt:heart.ventricle.left.outflow tract:qn:us.doppler