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MLA Citation
K Bengtsson et al.. “OP0240 How strong are the associations of spondyloarthritis-related comorbidities with ankylosing spondylitis, psoriatic arthritis and undifferentiated spondyloarthritis? a register-based study from sweden.” Annals of the rheumatic diseases, vol. 76, n.d., pp. 154–155. http://access.bl.uk/ark:/81055/vdc_100135163454.0x000061