Multisection^W contrast IV:Find:Pt:Head+Neck>Circle of Willis+Carotid arteries:Doc:CT.angio
multisection^w contrast iv:find:pt:head+neck>circle of willis+carotid arteries:doc:ct.angio
CTA Circle of Willis and Carotid arteries W contrast IV
cta circle of willis and carotid arteries w contrast iv