Pressure gradient.max:PressDiff:Pt:Heart.ventricle.right:Qn:US.doppler
pressure gradient.max:pressdiff:pt:heart.ventricle.right:qn:us.doppler
Pressure gradient.max:PressDiff:Pt:Heart.ventricle.right:Qn:US.doppler
pressure gradient.max:pressdiff:pt:heart.ventricle.right:qn:us.doppler