RT Journal Article SR Electronic T1 ☺ JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A2929 A1 M. Castillo YR 2011 UL http://www.ajnr.org/content/early/2011/12/22/ajnr.A2929.1.abstract AB