RT Journal Article SR Electronic T1 Recombinant Tissue Plasminogen Activator Increases Blood-Brain Barrier Disruption in Acute Ischemic Stroke: An MR Imaging Permeability Study JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1774 A1 A. Kassner A1 T.P.L. Roberts A1 B. Moran A1 F.L. Silver A1 D.J. Mikulis YR 2009 UL http://www.ajnr.org/content/early/2009/08/06/ajnr.A1774.abstract AB