RT Journal Article SR Electronic T1 Multidetector Computed Tomography in Cerebrovascular Disease: CT Perfusion Imaging JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e18 OP e19 DO 10.3174/ajnr.A0932 VO 29 IS 4 YR 2008 UL http://www.ajnr.org/content/29/4/e18.abstract AB