RT Journal Article SR Electronic T1 Q&A Color Review of Neuroimaging JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e31 OP e31 DO 10.3174/ajnr.A1249 VO 30 IS 2 YR 2009 UL http://www.ajnr.org/content/30/2/e31.abstract AB