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.A1207 A1 A.S. Turk A1 B. Aagaard-Kienitz A1 H.A. Rowley A1 D. Fiorella YR 2008 UL http://www.ajnr.org/content/early/2008/07/17/ajnr.A1207.abstract AB