@article{doi:10.1302/0301-620X.96B11.33726,
author = {Riis, A. and Rathleff, M. S. and Jensen, M. B. and Simonsen, O.},
title = {Low grading of the severity of knee osteoarthritis
pre-operatively is associated with a lower functional level after
total knee replacement},
journal = {The Bone & Joint Journal},
volume = {96-B},
number = {11},
pages = {1498-1502},
year = {2014},
doi = {10.1302/0301-620X.96B11.33726},
url = {https://doi.org/10.1302/0301-620X.96B11.33726}
}