@article{doi:10.1302/0301-620X.53B2.272,
author = {Gunston, Frank H.},
title = {POLYCENTRIC KNEE ARTHROPLASTY },
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {53-B},
number = {2},
pages = {272-277},
year = {1971},
doi = {10.1302/0301-620X.53B2.272},
url = {https://doi.org/10.1302/0301-620X.53B2.272}
}