RT Journal Article SR Electronic T1 Advances and Technical Standards in Neurosurgery. Volume 27 JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1270 OP 1270 VO 24 IS 6 YR 2003 UL http://www.ajnr.org/content/24/6/1270.abstract AB