RT Journal Article SR Electronic T1 Apples JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 479 OP 480 DO 10.3174/ajnr.A3162 VO 34 IS 3 A1 M. Castillo YR 2013 UL http://www.ajnr.org/content/34/3/479.abstract AB