PT - JOURNAL ARTICLE AU - S.I. Sheikh AU - A.B. Singhal TI - Extension of "Roller Coaster Dissection" after Tissue Plasminogen Activator AID - 10.3174/ajnr.A1895 DP - 2009 Oct 01 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2009/10/01/ajnr.A1895.short 4100 - http://www.ajnr.org/content/early/2009/10/01/ajnr.A1895.full