TY - JOUR AU - Wiig, O. AU - Terjesen, T. AU - Svenningsen, S. AU - Lie, S. A. DO - doi:10.1302/0301-620X.88B9.17400 UR - https://doi.org/10.1302/0301-620X.88B9.17400 TI - The epidemiology and aetiology of Perthes’ disease in Norway T2 - The Journal of Bone & Joint Surgery British Volume VL - 88-B IS - 9 PY - 2006 SP - 1217 EP - 1223 ER -