%0 Journal Article %A DR Dickens %A MB Menelaus %T The assessment of prognosis in Perthes' disease %D 1978 %J The Journal of Bone & Joint Surgery British Volume %P 189-194 %V 60-B %N 2 %R 10.1302/0301-620X.60B2.659461 %U https://doi.org/10.1302/0301-620X.60B2.659461 %K