RT Journal Article SR Electronic T1 CT angiography in acute ischemic stroke: the right tool for the job? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1021 OP 1023 VO 18 IS 6 A1 M Brant-Zawadzki YR 1997 UL http://www.ajnr.org/content/18/6/1021.abstract AB