RT Journal Article SR Electronic T1 From Flatland to the Fourth Dimension JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1746 OP 1746 VO 27 IS 8 A1 Marshall, Christopher H. YR 2006 UL http://www.ajnr.org/content/27/8/1746.abstract AB