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: standing and walking after spinal cord injury;Kralj,1989
3. Neural prosthetic interfaces with the nervous system;Loeb;Trends Neurosci,1989
4. Motor prostheses for restoration of upper extremity function;Peckham,1992
5. Peripheral nerve stimulation—superficial and implanted;McNeal,1973