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.A2098 A1 Aiken, A.H. A1 Tihan, T. A1 Glastonbury, C. YR 2010 UL http://www.ajnr.org/content/early/2010/04/15/ajnr.A2098.abstract AB