TY - JOUR AU - Scales, JT DO - doi:10.1302/0301-620X.73B4.2071632 UR - https://doi.org/10.1302/0301-620X.73B4.2071632 TI - Black staining around titanium alloy prostheses--an orthopaedic enigma T2 - The Journal of Bone & Joint Surgery British Volume VL - 73-B IS - 4 PY - 1991 SP - 534 EP - 536 ER -