TY - JOUR AU - Lamb, D. W. DO - doi:10.1302/0301-620X.53B4.775-a UR - https://doi.org/10.1302/0301-620X.53B4.775-a TI - Prosthetic and Orthotic Practice T2 - The Journal of Bone & Joint Surgery British Volume VL - 53-B IS - 4 PY - 1971 SP - 775 EP - 776 ER -