TY - JOUR AU - Harrison, MH AU - Blakemore, ME DO - doi:10.1302/0301-620X.62B1.7351433 UR - https://doi.org/10.1302/0301-620X.62B1.7351433 TI - A study of the "normal" hip in children with unilateral Perthes' disease T2 - The Journal of Bone & Joint Surgery British Volume VL - 62-B IS - 1 PY - 1980 SP - 31 EP - 36 ER -