TY - JOUR AU - Lloyd-Roberts, GC DO - doi:10.1302/0301-620X.64B1.7068710 UR - https://doi.org/10.1302/0301-620X.64B1.7068710 TI - The management of Perthes' disease T2 - The Journal of Bone & Joint Surgery British Volume VL - 64-B IS - 1 PY - 1982 SP - 1 EP - 2 ER -