TY - JOUR AU - Elson, R. A. DO - doi:10.1302/0301-620X.56B4.780-a UR - https://doi.org/10.1302/0301-620X.56B4.780-a TI - Perspectives in Biomedical Engineering T2 - The Journal of Bone & Joint Surgery British Volume VL - 56-B IS - 4 PY - 1974 SP - 780 EP - 781 ER -