TY - JOUR AU - Maruyama, M DO - doi:10.1302/0301-620X.77B2.7706333 UR - https://doi.org/10.1302/0301-620X.77B2.7706333 TI - Hydroxyapatite clay used to fill the gap between implant and bone T2 - The Journal of Bone & Joint Surgery British Volume VL - 77-B IS - 2 PY - 1995 SP - 213 EP - 218 ER -