RT Journal Article SR Electronic T1 Re: Turk et al and the "How Do We Spin Wingspan?" Commentary JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1084 A1 C. Derdeyn A1 M. Chimowitz YR 2008 UL http://www.ajnr.org/content/early/2008/04/03/ajnr.A1084.abstract AB