@article{doi:10.1302/0301-620X.52B4.724,
author = {Johns, David},
title = {SYPHILITIC DISORDERS OF THE SPINE },
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {52-B},
number = {4},
pages = {724-731},
year = {1970},
doi = {10.1302/0301-620X.52B4.724},
url = {https://doi.org/10.1302/0301-620X.52B4.724}
}