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MLA Citation
Andrea Levitova et al.. “Clinical improvement and reduction in serum calprotectin levels after an intensive exercise programme for patients with ankylosing spondylitis and non-radiographic axial spondyloarthritis.” Arthritis research & therapy, vol. 18, no. 1, 2016, pp. 1–12. http://access.bl.uk/ark:/81055/vdc_100080932876.0x000039