Stepping-like movements in humans with complete spinal cord injury induced by epidural stimulation of the lumbar cord: electromyographic study of compound muscle action potentials. - Minassian, K.; Jilge, B.; Rattay, F.; Pinter, M. M.; Binder, H.; Gerstenbrand, F.; Dimitrijevic, M. R. (Spinal Cord, 2004)