@article{doi:10.1302/0301-620X.42B4.802,
author = {Claffey, T. J.},
title = {AVASCULAR NECROSIS OF THE FEMORAL HEAD },
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {42-B},
number = {4},
pages = {802-809},
year = {1960},
doi = {10.1302/0301-620X.42B4.802},
url = {https://doi.org/10.1302/0301-620X.42B4.802}
}