@article{doi:10.1302/0301-620X.72B6.2246281,
author = {Callaghan, JJ and Dysart, SH and Savory, CF and Hopkinson, WJ},
title = {Assessing the results of hip replacement. A comparison of five different rating systems},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {72-B},
number = {6},
pages = {1008-1009},
year = {1990},
doi = {10.1302/0301-620X.72B6.2246281},
url = {https://doi.org/10.1302/0301-620X.72B6.2246281}
}