RT Journal Article SR Electronic T1 Growth of a thrombosed giant vertebral artery aneurysm after parent artery occlusion. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 449 OP 451 VO 12 IS 3 A1 S T Hecht A1 J A Horton A1 H Yonas YR 1991 UL http://www.ajnr.org/content/12/3/449.abstract AB