From the Department of Neurology (I.P.), University of Cincinnati, OH; Department of Neurology (C.F.L.), Mayo Clinic College of Medicine, Rochester, MN; Department of Neurology (S.S.), Vanderbilt Medical Center, Nashville, TN; and Departments of Neurology
Neurology | February 26, 2007 | Volume: 68 | Issue: 9 | Pages: 634-642