RT Journal Article SR Electronic T1 Life at the End of the Tunnel: Why Emergent CT Angiography Should Be Done for Patients With Acute Subarachnoid Hemorrhage JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1014 A1 R. Agid A1 R.A. Willinsky A1 R.I. Farb A1 K.G. Terbrugge YR 2008 UL http://www.ajnr.org/content/early/2008/05/13/ajnr.A1014.abstract AB