TY - JOUR AU - Mazda, K. AU - Penneçot, G. F. AU - Zeller, R. AU - Taussig, G. DO - doi:10.1302/0301-620X.81B4.0810696 UR - https://doi.org/10.1302/0301-620X.81B4.0810696 TI - Perthes’ disease after the age of twelve years T2 - The Journal of Bone & Joint Surgery British Volume VL - 81-B IS - 4 PY - 1999 SP - 696 EP - 698 ER -