RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e85 OP e85 DO 10.3174/ajnr.A1145 VO 29 IS 9 A1 Na, D.G. A1 Kim, E. YR 2008 UL http://www.ajnr.org/content/29/9/e85.abstract AB