RT Journal Article SR Electronic T1 Collateral Circulation via the Ascending Pharyngeal Artery Arising from the Internal Carotid Artery JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 246 OP 246 VO 27 IS 2 A1 Uchino, Akira YR 2006 UL http://www.ajnr.org/content/27/2/246.2.abstract AB