Diameter:Len:Pt:Heart.ventricle.left.outflow tract^Fetus:Qn:US.doppler
diameter:len:pt:heart.ventricle.left.outflow tract^fetus:qn:us.doppler
Diameter:Len:Pt:Heart.ventricle.left.outflow tract^Fetus:Qn:US.doppler
diameter:len:pt:heart.ventricle.left.outflow tract^fetus:qn:us.doppler