@article{doi:10.1302/0301-620X.65B1.6822600,
author = {Johnson and Kirwan, EO},
title = {The long-term results of fusion in situ for severe spondylolisthesis},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {65-B},
number = {1},
pages = {43-46},
year = {1983},
doi = {10.1302/0301-620X.65B1.6822600},
url = {https://doi.org/10.1302/0301-620X.65B1.6822600}
}