1. Acimovic, R., Gros, N., Malezic, M., Strojnik, P., Kljajic, M., Stanic, U., andSimic, V. (1987): ‘A comparative study of the functionality of the second generation of peroneal stimulators’. Proc. 10th RESNA Conference, pp. 621–623
2. Burridge, J., Taylor, P., Hagan, S., andSwain, I. (1997): ‘Experience of clinical use of the odstock dropped foot stimulator’,Artif. Organs,21, pp. 254–260
3. Chen, Y. L., Li, Y. C., Kuo, T. S., andLai, J. S. (2001): ‘The development of a closed-loop controlled functional electrical stimulation (FES) in gait training’,J. Med. Eng. Technol.,25, pp. 41–48
4. Gracanin, F. (1984): ‘Functional electrical stimulation in external control of motor activity and movement of paralysed extremities’,Int. Rehabil. Med.,6, pp. 25–30
5. Gudnason, G., Bruun, E., andHaugland, M. (1999): ‘An implantable mixed analog/digital neural stimulator circuit’, Proc. IEEE Symp. Circ. Sys.,5, pp. 375–378