@article{doi:10.1302/0301-620X.89B1.18327,
author = {Robertsson, O.},
title = {Knee arthroplasty registers},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {89-B},
number = {1},
pages = {1-4},
year = {2007},
doi = {10.1302/0301-620X.89B1.18327},
url = {https://doi.org/10.1302/0301-620X.89B1.18327}
}