TY - JOUR AU - Piggot, J. DO - doi:10.1302/0301-620X.51B3.586-a UR - https://doi.org/10.1302/0301-620X.51B3.586-a TI - Orthopaedic Diseases. Physiology-Pathology-Radiology T2 - The Journal of Bone & Joint Surgery British Volume VL - 51-B IS - 3 PY - 1969 SP - 586 EP - 586 ER -