TY - JOUR T1 - <em>Reply:</em> JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - E27 LP - E27 DO - 10.3174/ajnr.A2998 VL - 33 IS - 2 AU - G. Saigal AU - M.J.D. Post Y1 - 2012/02/01 UR - http://www.ajnr.org/content/33/2/E27.abstract N2 - ER -