PT - JOURNAL ARTICLE AU - L.M. Kong TI - Reply: AID - 10.3174/ajnr.A3280 DP - 2012 Aug 09 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2012/08/09/ajnr.A3280.short 4100 - http://www.ajnr.org/content/early/2012/08/09/ajnr.A3280.full