PT - JOURNAL ARTICLE AU - Na, D.G. AU - Kim, E. TI - Reply: AID - 10.3174/ajnr.A1145 DP - 2008 Jun 19 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/06/19/ajnr.A1145.1.short 4100 - http://www.ajnr.org/content/early/2008/06/19/ajnr.A1145.1.full