VALIDATION OF ALTERATION ELECTROPHYSIOLOGIC SCALE IN PATIENTS WITH LUMBOSACRAL RADICULOPHATYForero-Diaz, J.Diaz-Ruiz, J.Ortiz-Corredor, F.Author information(Bogota, Cundinamarca, Colombia)Muscle & Nerve 42(4):p 685, October 2010.Copyright © 2010 John Wiley & Sons, Inc.