PT - JOURNAL ARTICLE AU - Guo, Wan-Yuo TI - Is an Early Angiogram Needed? DP - 2000 Mar 01 TA - American Journal of Neuroradiology PG - 608--609 VI - 21 IP - 3 4099 - http://www.ajnr.org/content/21/3/608.1.short 4100 - http://www.ajnr.org/content/21/3/608.1.full SO - Am. J. Neuroradiol.2000 Mar 01; 21