RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E210 OP E210 DO 10.3174/ajnr.A2925 VO 32 IS 11 A1 Zuccoli, G. YR 2011 UL http://www.ajnr.org/content/32/11/E210.abstract AB