RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E27 OP E27 DO 10.3174/ajnr.A2998 VO 33 IS 2 A1 Saigal, G. A1 Post, M.J.D. YR 2012 UL http://www.ajnr.org/content/33/2/E27.abstract AB