TY - JOUR AU - Kim, Y.-H. AU - Kim, J.-S. AU - Cho, S.-H. DO - doi:10.1302/0301-620X.83B5.0830742 UR - https://doi.org/10.1302/0301-620X.83B5.0830742 TI - A comparison of polyethylene wear in hips with cobalt-chrome or zirconia heads T2 - The Journal of Bone & Joint Surgery British Volume VL - 83-B IS - 5 PY - 2001 SP - 742 EP - 750 ER -