RT Journal Article SR Electronic T1 External Carotid Artery Embolization JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP S12 OP S13 VO 22 IS 8 suppl YR 2001 UL http://www.ajnr.org/content/22/8_suppl/S12.abstract AB