RT Journal Article SR Electronic T1 CT Angiography is State-of-the-Art First Vascular Imaging for Subarachnoid Hemorrhage JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e41 OP e42 DO 10.3174/ajnr.A1049 VO 29 IS 6 A1 A.J. Fox A1 S.P. Symons A1 R.I. Aviv YR 2008 UL http://www.ajnr.org/content/29/6/e41.abstract AB