TY - JOUR AU - Sugano, N AU - Takaoka, K AU - Ohzono, K AU - Matsui, M AU - Saito, M AU - Saito, S DO - doi:10.1302/0301-620X.74B5.1527125 UR - https://doi.org/10.1302/0301-620X.74B5.1527125 TI - Rotational osteotomy for non-traumatic avascular necrosis of the femoral head T2 - The Journal of Bone & Joint Surgery British Volume VL - 74-B IS - 5 PY - 1992 SP - 734 EP - 739 ER -