Wolf M E, Held V E, Förster A, Griebe M, Szabo K, Gass A, Hennerici M G, Kern R
Department of Neurology, Universitätsmedizin Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany.
Neurology. 2011 Nov 29;77(22):e127-8. doi: 10.1212/WNL.0b013e31823a0ceb.