TY - JOUR AU - WALLS, R. J. DO - doi:10.1302/0301-620X.90B11.21240 UR - https://doi.org/10.1302/0301-620X.90B11.21240 TI - Author’s reply T2 - The Journal of Bone & Joint Surgery British Volume VL - 90-B IS - 11 PY - 2008 SP - 1536 EP - 1537 ER -