Nickel VL, Waring W. FUTURE DEVELOPMENTS IN EXTERNALLY POWERED ORTHOTIC AND PROSTHETIC DEVICES. J Bone Joint Surg Br. 1965;47-B(3):469-471. doi:10.1302/0301-620X.47B3.469
Nickel, Vernon L., and Worden Waring. “FUTURE DEVELOPMENTS IN EXTERNALLY POWERED ORTHOTIC AND PROSTHETIC DEVICES.”
The Journal of Bone & Joint Surgery British Volume, vol. 47-B, no. 3, 1965, pp. 469-471.,
https://doi.org/10.1302/0301-620X.47B3.469
Nickel, V. L., & Waring, W. (1965). FUTURE DEVELOPMENTS IN EXTERNALLY POWERED ORTHOTIC AND PROSTHETIC DEVICES.
The Journal of Bone & Joint Surgery British Volume,
47-B(3), 469-471.
https://doi.org/10.1302/0301-620X.47B3.469
Nickel, V. L. and Waring, W. (1965) “FUTURE DEVELOPMENTS IN EXTERNALLY POWERED ORTHOTIC AND PROSTHETIC DEVICES.”
The Journal of Bone & Joint Surgery British Volume, 47-B(3), pp. 469-471. Available at:
https://doi.org/10.1302/0301-620X.47B3.469
Nickel, Vernon L., and Worden Waring. “FUTURE DEVELOPMENTS IN EXTERNALLY POWERED ORTHOTIC AND PROSTHETIC DEVICES.”
The Journal of Bone & Joint Surgery British Volume 47-B, no. 3 (1965): 469-471.
https://doi.org/10.1302/0301-620X.47B3.469