1. Functional electrotherapy: stimulation of the peroneal nerve synchronized with the swing phase of the gait of hemiplegic patients;Liberson;Arch Phys Med Rehabil,1961
2. Functional electrical stimulation—a new hope for paraplegic patients?;Kralj;Bull Prosth Res,1973
3. The use of a 4-channel electrical stimulator as an ambulatory aid for paraplegics;Bajd;Phys Ther,1983
4. Functional electrical stimulation: standing and walking after spinal cord injury;Kralj,1989
5. Computer synthesized walking;Petrofsky,1985