PT - JOURNAL ARTICLE AU - Wang, Q. AU - Xu, X. AU - Zhang, M. TI - <em>Reply:</em> AID - 10.3174/ajnr.A2188 DP - 2010 Oct 01 TA - American Journal of Neuroradiology PG - E81--E81 VI - 31 IP - 9 4099 - http://www.ajnr.org/content/31/9/E81.short 4100 - http://www.ajnr.org/content/31/9/E81.full SO - Am. J. Neuroradiol.2010 Oct 01; 31