@article{doi:10.1302/0301-620X.59B4.925046,
author = {Hardinge, K and Williams, D and Etienne, A and MacKenzie, D and Charnley, J},
title = {Conversion of fused hips to low friction arthroplasty},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {59-B},
number = {4},
pages = {385-392},
year = {1977},
doi = {10.1302/0301-620X.59B4.925046},
url = {https://doi.org/10.1302/0301-620X.59B4.925046}
}