@article{article, title = {{Clinical features in primary care electronic records before diagnosis of ankylosing spondylitis : a nested case-control study}}, publisher = {{Springer Science and Business Media LLC}}, url = {{https://eprints.whiterose.ac.uk/160986/ }}, year = {{2020}}, month = {{5}}, author = {{Bashir MT and Iversen L and Burton C}}, doi = {{10.1186/s12875-020-01149-2}}, volume = {{21}}, journal = {{BMC Family Practice}}, issue = {{1}}, note = {{Accessed on 2024/10/22}}}