@article{doi:10.1302/0301-620X.89B11.18962,
author = {Balg, F. and Boileau, P.},
title = {The instability severity index score},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {89-B},
number = {11},
pages = {1470-1477},
year = {2007},
doi = {10.1302/0301-620X.89B11.18962},
url = {https://doi.org/10.1302/0301-620X.89B11.18962}
}