Traboulsee Anthony, Zhao Guojun, Li David K B
Division of Neurology, Department of Medicine, The University of British Columbia, S199-2211 Westbrook Mall, Vancouver, British Columbia V6T 2B5, Canada.
Neurol Clin. 2005 Feb;23(1):131-48, vii. doi: 10.1016/j.ncl.2004.10.001.