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MLA Citation
SJ Pedersen et al.. “Structural progression rate decreases over time on serial radiography and magnetic resonance imaging of sacroiliac joints and spine in a five-year follow-up study of patients with ankylosing spondylitis treated with tumour necrosis factor inhibitor.” Scandinavian journal of rheumatology, vol. 48, 2019, pp. 185–197. http://access.bl.uk/ark:/81055/vdc_100083289528.0x00004f