RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E143 OP E143 DO 10.3174/ajnr.A2650 VO 32 IS 7 A1 J. M. U-King-Im A1 E. Yu A1 E. Bartlett A1 R. Soobrah A1 W. Kucharczyk YR 2011 UL http://www.ajnr.org/content/32/7/E143.abstract AB