@article{doi:10.1302/0301-620X.56B3.593,
author = {Nissen, Karl},
title = {Acta Orthopaedica Scandinavica},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {56-B},
number = {3},
pages = {593-593},
year = {1974},
doi = {10.1302/0301-620X.56B3.593},
url = {https://doi.org/10.1302/0301-620X.56B3.593}
}