RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E99 OP E99 DO 10.3174/ajnr.A3703 VO 34 IS 8 A1 Jayaraman, M.V. YR 2013 UL http://www.ajnr.org/content/34/8/E99.abstract AB