TY - JOUR AU - Morrey, BF DO - doi:10.1302/0301-620X.71B4.2768296 UR - https://doi.org/10.1302/0301-620X.71B4.2768296 TI - Upper tibial osteotomy for secondary osteoarthritis of the knee T2 - The Journal of Bone & Joint Surgery British Volume VL - 71-B IS - 4 PY - 1989 SP - 554 EP - 559 ER -