TY - JOUR T1 - <em>Reply</em>: JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - e70 LP - e70 DO - 10.3174/ajnr.A1082 VL - 29 IS - 8 AU - D.F. Kallmes AU - H.J. Cloft Y1 - 2008/09/01 UR - http://www.ajnr.org/content/29/8/e70.abstract N2 - ER -