PT - JOURNAL ARTICLE ED - , TI - Handbook of Neurosurgery, 6th ed. AID - 10.3174/ajnr.A0722 DP - 2007 Sep 26 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2007/09/26/ajnr.A0722.short 4100 - http://www.ajnr.org/content/early/2007/09/26/ajnr.A0722.full