%0 Journal Article %A B Joseph %T Morphological changes in the acetabulum in Perthes' disease %D 1989 %J The Journal of Bone & Joint Surgery British Volume %P 756-763 %V 71-B %N 5 %R 10.1302/0301-620X.71B5.2584244 %U https://doi.org/10.1302/0301-620X.71B5.2584244 %K