PT - JOURNAL ARTICLE ED - , TI - Diagnostic Neuroradiology AID - 10.3174/ajnr.A1709 DP - 2009 Jun 18 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2009/06/18/ajnr.A1709.short 4100 - http://www.ajnr.org/content/early/2009/06/18/ajnr.A1709.full