RT Journal Article SR Electronic T1 The Medicare Conversion Factor JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A3674 A1 D.J. Seidenwurm A1 J.H. Burleson YR 2013 UL http://www.ajnr.org/content/early/2013/07/18/ajnr.A3674.abstract AB