Multisection^WO & W contrast IV:Find:Pt:Head>Brain && Head>Head vessels:Doc:CT.perfusion && CT.angio
multisection^wo & w contrast iv:find:pt:head>brain && head>head vessels:doc:ct.perfusion && ct.angio
CT WO con+Brain perf+CTA Head ves W cont
ct wo con+brain perf+cta head ves w cont