TY - JOUR AU - Drescher, W. AU - Fürst, M AU - Hahne, H. J. AU - Helfenstein, A. AU - Petersen, W. AU - Hassenpflug, J. DO - doi:10.1302/0301-620X.85B7.14155 UR - https://doi.org/10.1302/0301-620X.85B7.14155 TI - Survival analysis of hips treated with flexion osteotomy for femoral head necrosis T2 - The Journal of Bone & Joint Surgery British Volume VL - 85-B IS - 7 PY - 2003 SP - 969 EP - 974 ER -