RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E92 OP E92 DO 10.3174/ajnr.A2512 VO 32 IS 5 A1 Naggara, O. A1 Meder, J.-F. A1 Oppenheim, C. YR 2011 UL http://www.ajnr.org/content/32/5/E92.abstract AB