RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E39 OP E39 DO 10.3174/ajnr.A3024 VO 33 IS 3 A1 Kim, M.J. A1 Shin, Y.S. YR 2012 UL http://www.ajnr.org/content/33/3/E39.abstract AB