TY - JOUR AU - Havelin, L. I. AU - Espehaug, B. AU - Engesæter, L. B. DO - doi:10.1302/0301-620X.84B6.0840839 UR - https://doi.org/10.1302/0301-620X.84B6.0840839 TI - The performance of two hydroxyapatite-coated acetabular cups compared with Charnley cups T2 - The Journal of Bone & Joint Surgery British Volume VL - 84-B IS - 6 PY - 2002 SP - 839 EP - 845 ER -