RT Journal Article SR Electronic T1 High-Resolution 3T MR Angiography of the Carotid Arteries: Comparison of Manual and Semiautomated Quantification of Stenosis JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1302 A1 R. Habibi A1 M.M. Lell A1 R. Steiner A1 S.G. Ruehm A1 J.W. Sayre A1 K. Nael A1 J.P. Finn YR 2008 UL http://www.ajnr.org/content/early/2008/10/08/ajnr.A1302.abstract AB