RT Journal Article SR Electronic T1 Erratum JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1206 OP 1206 DO 10.3174/ajnr.A0764 VO 28 IS 7 A1 Masaru Shoyama YR 2007 UL http://www.ajnr.org/content/28/7/1206.1.abstract AB