RT Journal Article SR Electronic T1 Inadvertent intrathecal use of ionic contrast media. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 784 OP 784 VO 14 IS 3 A1 Chaloupka, J C YR 1993 UL http://www.ajnr.org/content/14/3/784.abstract AB