RT Journal Article SR Electronic T1 Role of Perfusion CT in Glioma Grading and Comparison with Conventional MR Imaging Features JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A0688 A1 S.K. Ellika A1 R. Jain A1 S.C. Patel A1 L. Scarpace A1 L.R. Schultz A1 J.P. Rock A1 T. Mikkelsen YR 2007 UL http://www.ajnr.org/content/early/2007/10/03/ajnr.A0688.abstract AB