@article{doi:10.1302/0301-620X.58B2.932080,
author = {Fitzgerald, JA and Newman, PH},
title = {Degenerative spondylolisthesis},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {58-B},
number = {2},
pages = {184-192},
year = {1976},
doi = {10.1302/0301-620X.58B2.932080},
url = {https://doi.org/10.1302/0301-620X.58B2.932080}
}