@article{doi:10.1302/0301-620X.88B9.18389,
author = {WRIGHT, J. G. and SWIONTKOWSKI, M. and HECKMAN, J. D.},
title = {Levels of evidence},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {88-B},
number = {9},
pages = {1264-1264},
year = {2006},
doi = {10.1302/0301-620X.88B9.18389},
url = {https://doi.org/10.1302/0301-620X.88B9.18389}
}