TY - JOUR AU - Laurence, M. DO - doi:10.1302/0301-620X.79B2.0790345a UR - https://doi.org/10.1302/0301-620X.79B2.0790345a TI - Clinical orthopaedic diagnosis. T2 - The Journal of Bone & Joint Surgery British Volume VL - 79-B IS - 2 PY - 1997 SP - 345 EP - 345 ER -