TY - JOUR T1 - Reply: JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. DO - 10.3174/ajnr.A3220 AU - J.P. Cruz AU - C. O'Kelly AU - J. Spears AU - T.R. Marotta Y1 - 2012/06/21 UR - http://www.ajnr.org/content/early/2012/06/21/ajnr.A3220.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -