RT Journal Article SR Electronic T1 Atlas of Normal Roentgen Variants That May Simulate Disease JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1269 OP 1269 VO 24 IS 6 YR 2003 UL http://www.ajnr.org/content/24/6/1269.abstract AB