RT Journal Article SR Electronic T1 Advances and Technical Standards in Neurosurgery, Vol. 32 JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e13 OP e13 DO 10.3174/ajnr.A1087 VO 30 IS 1 YR 2009 UL http://www.ajnr.org/content/30/1/e13.abstract AB