TY - JOUR 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. SP - 246 LP - 247 VL - 27 IS - 2 AU - Timo Krings AU - Pierre L. Lasjaunias Y1 - 2006/02/01 UR - http://www.ajnr.org/content/27/2/246.1.abstract N2 - ER -