RT Journal Article SR Electronic T1 Intraparenchymal blood-fluid levels: new CT sign of arteriovenous malformation rupture. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 577 OP 579 VO 2 IS 6 A1 Richmond, T A1 Virapongse, C A1 Sarwar, M A1 Kier, E L A1 Rothman, S YR 1981 UL http://www.ajnr.org/content/2/6/577.abstract AB