RT Journal Article SR Electronic T1 Standard Variants of the Skull and Brain: Atlas for Neurosurgeons and Neuroradiologists JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 901 OP 901 VO 25 IS 5 YR 2004 UL http://www.ajnr.org/content/25/5/901.abstract AB