RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 214 OP 214 DO 10.3174/ajnr.A0805 VO 29 IS 2 A1 M.C. Bianchi YR 2008 UL http://www.ajnr.org/content/29/2/214.1.abstract AB