TY - JOUR AU - Freeman, MA DO - doi:10.1302/0301-620X.74B6.1447263 UR - https://doi.org/10.1302/0301-620X.74B6.1447263 TI - Hydroxyapatite coating of prostheses T2 - The Journal of Bone & Joint Surgery British Volume VL - 74-B IS - 6 PY - 1992 SP - 933 EP - 934 ER -