%0 Journal Article %A J. A. O'Garra %T THE RADIOGRAPHIC CHANGES IN PERTHES' DISEASE %D 1959 %J The Journal of Bone & Joint Surgery British Volume %P 465-476 %V 41-B %N 3 %R 10.1302/0301-620X.41B3.465 %U https://doi.org/10.1302/0301-620X.41B3.465 %K