RT Journal Article SR Electronic T1 Erratum JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E38 OP E38 DO 10.3174/ajnr.A2059 VO 31 IS 3 YR 2010 UL http://www.ajnr.org/content/31/3/E38.abstract AB