RT Journal Article SR Electronic T1 Extension of “Roller Coaster Dissection” after Tissue Plasminogen Activator JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E4 OP E4 DO 10.3174/ajnr.A1895 VO 31 IS 1 A1 Sheikh, S.I. A1 Singhal, A.B. YR 2010 UL http://www.ajnr.org/content/31/1/E4.abstract AB