Nelson Kevin R, Mattingly Michelle, Schmitt Frederick A
Department of Neurology, Kentucky Clinic L-445, College of Medicine, University of Kentucky, 800 Rose Street, Lexington, KY 40536-0284, USA.
Neurology. 2007 Mar 6;68(10):794-5. doi: 10.1212/01.wnl.0000256784.85952.6f.