TY - JOUR AU - MEISS, L. DO - doi:10.1302/0301-620X.81B1.0810180a UR - https://doi.org/10.1302/0301-620X.81B1.0810180a TI - Different methods of treatment related to the bilateral occurrence of Perthes’ disease T2 - The Journal of Bone & Joint Surgery British Volume VL - 81-B IS - 1 PY - 1999 SP - 180 EP - 181 ER -