RT Journal Article SR Electronic T1 E-Readers and E-Paper JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1736 A1 M. Castillo YR 2009 UL http://www.ajnr.org/content/early/2009/08/06/ajnr.A1736.abstract AB