PT - JOURNAL ARTICLE AU - A. Scollato AU - P. Gallina AU - N. Di Lorenzo TI - Reply AID - 10.3174/ajnr.A1949 DP - 2009 Nov 26 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2009/11/26/ajnr.A1949.short 4100 - http://www.ajnr.org/content/early/2009/11/26/ajnr.A1949.full