RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E46 OP E46 DO 10.3174/ajnr.A2047 VO 31 IS 5 A1 Filippi, M. A1 Rocca, M.A. YR 2010 UL http://www.ajnr.org/content/31/5/E46.abstract AB