PT - JOURNAL ARTICLE AU - C. Uggetti AU - R. La Piana TI - Reply: AID - 10.3174/ajnr.A2163 DP - 2010 Jun 25 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2010/06/25/ajnr.A2163.short 4100 - http://www.ajnr.org/content/early/2010/06/25/ajnr.A2163.full