RT Journal Article SR Electronic T1 The Outcome of Linear Accelerator Radiosurgery: Is an Early Angiogram Needed? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 374 OP 374 VO 20 IS 3 A1 McDermott, Michael W. YR 1999 UL http://www.ajnr.org/content/20/3/374.abstract AB