Pressure gradient.systole.max:PressDiff:Pt:Heart.ventricle.left.outflow tract:Qn:US.doppler
pressure gradient.systole.max:pressdiff:pt:heart.ventricle.left.outflow tract:qn:us.doppler
Pressure gradient.systole.max:PressDiff:Pt:Heart.ventricle.left.outflow tract:Qn:US.doppler
pressure gradient.systole.max:pressdiff:pt:heart.ventricle.left.outflow tract:qn:us.doppler