RT Journal Article SR Electronic T1 A versatile, steerable, flow-guided catheter for delivery of detachable balloons. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 657 OP 658 VO 11 IS 4 A1 M Nelson YR 1990 UL http://www.ajnr.org/content/11/4/657.abstract AB