RT Journal Article SR Electronic T1 Gas CT cisternography of an intracanalicular vascular malformation. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 969 OP 970 VO 6 IS 6 A1 C R Bird A1 B P Drayer A1 A E Yeates YR 1985 UL http://www.ajnr.org/content/6/6/969.abstract AB