RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E76 OP E76 DO 10.3174/ajnr.A4909 VO 37 IS 11 A1 Brinjikji, W. A1 Yamaki, V. A1 Lanzino, G. YR 2016 UL http://www.ajnr.org/content/37/11/E76.abstract AB