%0 Journal Article %A DJ Barker %A E Dixon %A JF Taylor %T Perthes' disease of the hip in three regions of England %D 1978 %J The Journal of Bone & Joint Surgery British Volume %P 478-480 %V 60-B %N 4 %R 10.1302/0301-620X.60B4.711792 %U https://doi.org/10.1302/0301-620X.60B4.711792 %K