PT - JOURNAL ARTICLE ED - , TI - Advances and Technical Standards in Neurosurgery, Vol 33 AID - 10.3174/ajnr.A1195 DP - 2009 Jan 01 TA - American Journal of Neuroradiology PG - e17--e17 VI - 30 IP - 1 4099 - http://www.ajnr.org/content/30/1/e17.short 4100 - http://www.ajnr.org/content/30/1/e17.full SO - Am. J. Neuroradiol.2009 Jan 01; 30