Blood flow velocity.max.stenosis.internal carotid artery/Blood flow velocity.max.unobstructed.common carotid artery:VelRto:Pt:{Circulatory system}:Qn:US
blood flow velocity.max.stenosis.internal carotid artery/blood flow velocity.max.unobstructed.common carotid artery:velrto:pt:{circulatory system}:qn:us
Blood flow velocity.max.stenosis.internal carotid artery/Blood flow velocity.max.unobstructed.common carotid artery:VelRto:Pt:{Circulatory system}:Qn:US
blood flow velocity.max.stenosis.internal carotid artery/blood flow velocity.max.unobstructed.common carotid artery:velrto:pt:{circulatory system}:qn:us