RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1421 A1 K. Uotani A1 N. Yamada YR 2008 UL http://www.ajnr.org/content/early/2008/12/26/ajnr.A1421.abstract AB