RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E121 OP E121 DO 10.3174/ajnr.A3335 VO 33 IS 9 A1 Oishi, H. YR 2012 UL http://www.ajnr.org/content/33/9/E121.abstract AB