RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E96 OP E96 DO 10.3174/ajnr.A3663 VO 34 IS 8 A1 Lanzino, G. A1 Rabinstein, A.A. YR 2013 UL http://www.ajnr.org/content/34/8/E96.abstract AB