TY - JOUR AU - JOSEPH, B. DO - doi:10.1302/0301-620X.79B1.0790171a UR - https://doi.org/10.1302/0301-620X.79B1.0790171a TI - Author’s reply T2 - The Journal of Bone & Joint Surgery British Volume VL - 79-B IS - 1 PY - 1997 SP - 171 EP - 171 ER -