PT - JOURNAL ARTICLE AU - L.S. Babiarz AU - J.M. Romero AU - E.K. Murphy AU - B. Brobeck AU - P.W. Schaefer AU - R.G. Gonzalez AU - M.H. Lev TI - Contrast-Enhanced MR Angiography Is Not More Accurate Than Unenhanced 2D Time-of-Flight MR Angiography for Determining ≧70% Internal Carotid Artery Stenosis AID - 10.3174/ajnr.A1464 DP - 2009 Jan 22 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2009/01/22/ajnr.A1464.short 4100 - http://www.ajnr.org/content/early/2009/01/22/ajnr.A1464.full