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.A2510 A1 Aviv, R.I. A1 Sharma, M. A1 Lee, T.-Y. YR 2011 UL http://www.ajnr.org/content/early/2011/04/07/ajnr.A2510.abstract AB