Blood flow.reverse.max^during atrial contraction:Vel:Pt:Pulmonary vein:Qn:US
blood flow.reverse.max^during atrial contraction:vel:pt:pulmonary vein:qn:us
Blood flow.reverse.max^during atrial contraction:Vel:Pt:Pulmonary vein:Qn:US
blood flow.reverse.max^during atrial contraction:vel:pt:pulmonary vein:qn:us