TY - JOUR AU - CLATWORTHY, M. G. DO - doi:10.1302/0301-620X.81B4.0810741a UR - https://doi.org/10.1302/0301-620X.81B4.0810741a TI - Author’s reply T2 - The Journal of Bone & Joint Surgery British Volume VL - 81-B IS - 4 PY - 1999 SP - 741 EP - 742 ER -