PT - JOURNAL ARTICLE AU - Cruz, J.P. AU - O'Kelly, C. AU - Spears, J. AU - Marotta, T.R. TI - Reply: AID - 10.3174/ajnr.A3220 DP - 2012 Aug 01 TA - American Journal of Neuroradiology PG - E108--E108 VI - 33 IP - 7 4099 - http://www.ajnr.org/content/33/7/E108.short 4100 - http://www.ajnr.org/content/33/7/E108.full SO - Am. J. Neuroradiol.2012 Aug 01; 33