RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E125 OP E125 DO 10.3174/ajnr.A2629 VO 32 IS 6 A1 Hom, J. A1 Wintermark, M. YR 2011 UL http://www.ajnr.org/content/32/6/E125.abstract AB