RT Journal Article SR Electronic T1 Erratum JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E81 OP E81 DO 10.3174/ajnr.A3131 VO 33 IS 5 YR 2012 UL http://www.ajnr.org/content/33/5/E81.abstract AB