RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E64 OP E64 DO 10.3174/ajnr.A2163 VO 31 IS 7 A1 C. Uggetti A1 R. La Piana YR 2010 UL http://www.ajnr.org/content/31/7/E64.abstract AB