TY - JOUR AU - ALLEN, M. J. DO - doi:10.1302/0301-620X.79B1.0790172a UR - https://doi.org/10.1302/0301-620X.79B1.0790172a TI - Author’s reply T2 - The Journal of Bone & Joint Surgery British Volume VL - 79-B IS - 1 PY - 1997 SP - 172 EP - 172 ER -