TY - JOUR AU - Kroon, PO AU - Freeman, MA DO - doi:10.1302/0301-620X.74B4.1320620 UR - https://doi.org/10.1302/0301-620X.74B4.1320620 TI - Hydroxyapatite coating of hip prostheses. Effect on migration into the femur T2 - The Journal of Bone & Joint Surgery British Volume VL - 74-B IS - 4 PY - 1992 SP - 518 EP - 522 ER -