RT Journal Article SR Electronic T1 Proceedings of the Medtronic Forum for Neuroscience and Neuro-Technology JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1833 OP 1833 DO 10.3174/ajnr.A0677 VO 28 IS 9 YR 2007 UL http://www.ajnr.org/content/28/9/1833.1.abstract AB