@article{doi:10.1302/0301-620X.70B5.3192564,
author = {Heywood, AW and Learmonth, ID and Thomas, M},
title = {Cervical spine instability in rheumatoid arthritis},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {70-B},
number = {5},
pages = {702-707},
year = {1988},
doi = {10.1302/0301-620X.70B5.3192564},
url = {https://doi.org/10.1302/0301-620X.70B5.3192564}
}