RT Journal Article SR Electronic T1 The Carotid Artery Through a Keyhole JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 186 OP 186 VO 20 IS 2 A1 Bowen, Brian YR 1999 UL http://www.ajnr.org/content/20/2/186.1.abstract AB