RT Journal Article SR Electronic T1 Charles George Drake, Neurosurgeon JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 358 OP 359 VO 20 IS 2 A1 Fox MD, Allan J. YR 1999 UL http://www.ajnr.org/content/20/2/358.abstract AB