RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E147 OP E147 DO 10.3174/ajnr.A1848 VO 30 IS 10 A1 I. Crassard A1 H. Chabriat YR 2009 UL http://www.ajnr.org/content/30/10/E147.abstract AB