1. Gait patterns of above-knee amputees using constant-friction knee components;Murray;Bull Prosthetic Res,1980
2. Swing phase control with knee friction in juvenile amputees;Hicks;J Orthop Research,1985
3. Fluid-controlled knee mechanisms;Lewis,1965
4. UC-BL pneumatic swing control unit for above-knee prostheses;Radcliffe;Bull Prosthetic Res,1968
5. A comparison of some gait characteristics with six knee joints;Godfrey;Orthot Prosthet,1975