PT - JOURNAL ARTICLE ED - , TI - Proceedings of the Medtronic Forum for Neuroscience and Neuro-Technology AID - 10.3174/ajnr.A0677 DP - 2007 Sep 24 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2007/09/24/ajnr.A0677.short 4100 - http://www.ajnr.org/content/early/2007/09/24/ajnr.A0677.full