RT Journal Article SR Electronic T1 Erratum JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E101 OP E101 DO 10.3174/ajnr.A3203 VO 33 IS 6 YR 2012 UL http://www.ajnr.org/content/33/6/E101.abstract AB