TY - JOUR AU - Kanis, JA DO - doi:10.1302/0301-620X.64B5.6754741 UR - https://doi.org/10.1302/0301-620X.64B5.6754741 TI - Vitamin D metabolism and its clinical application T2 - The Journal of Bone & Joint Surgery British Volume VL - 64-B IS - 5 PY - 1982 SP - 542 EP - 560 ER -