RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A3280 A1 L.M. Kong YR 2012 UL http://www.ajnr.org/content/early/2012/08/09/ajnr.A3280.abstract AB