Multisection^WO & W contrast IV:Find:Pt:Head && Head>Brain && Head>Head vessels:Doc:CT && CT.perfusion && CT.angio
multisection^wo & w contrast iv:find:pt:head && head>brain && head>head vessels:doc:ct && ct.perfusion && ct.angio
Multisection^WO & W contrast Intravenous:Finding:To identify measures at a point in time:Head && Head>Brain && Head>Head vessels:Document:Computed tomography && Computed tomography.perfusion && Computed tomography.angio
multisection^wo & w contrast intravenous:finding:to identify measures at a point in time:head && head>brain && head>head vessels:document:computed tomography && computed tomography.perfusion && computed tomography.angio