TY - JOUR T1 - Reply: JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - e83 LP - e83 DO - 10.3174/ajnr.A1146 VL - 29 IS - 9 AU - C. Zhong Y1 - 2008/10/01 UR - http://www.ajnr.org/content/29/9/e83.abstract N2 - ER -