TY - JOUR T1 - <em>Reply:</em> JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - e99 LP - e99 DO - 10.3174/ajnr.A1199 VL - 29 IS - 10 AU - S.K. Natarajan AU - L.N. Sekhar Y1 - 2008/11/01 UR - http://www.ajnr.org/content/29/10/e99.abstract N2 - ER -