RT Journal Article SR Electronic T1 Segmental Agenesis of the Internal Carotid Artery Distal to the Posterior Communicating Artery Leading to the Definition of a New Embryologic Segment JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 246 OP 247 VO 27 IS 2 A1 Krings, Timo A1 Lasjaunias, Pierre L. YR 2006 UL http://www.ajnr.org/content/27/2/246.1.abstract AB