RT Journal Article SR Electronic T1 Alberta Stroke Program Early CT Scoring of CT Perfusion in Early Stroke Visualization and Assessment JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A0689 A1 Aviv, R.I. A1 Mandelcorn, J. A1 Chakraborty, S. A1 Gladstone, D. A1 Malham, S. A1 Tomlinson, G. A1 Fox, A.J. A1 Symons, S. YR 2007 UL http://www.ajnr.org/content/early/2007/10/05/ajnr.A0689.abstract AB