@article{doi:10.1302/0301-620X.88B9.17684,
author = {MALIK, M. H. A. and GAMBHIR, A. and PORTER, M. L.},
title = {Levels of evidence},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {88-B},
number = {9},
pages = {1265-1265},
year = {2006},
doi = {10.1302/0301-620X.88B9.17684},
url = {https://doi.org/10.1302/0301-620X.88B9.17684}
}