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MLA Citation
Michael M. Ward et al.. “2019 Update of the American College of Rheumatology/Spondylitis Association of America/Spondyloarthritis Research and Treatment Network Recommendations for the Treatment of Ankylosing Spondylitis and Nonradiographic Axial Spondyloarthritis.” Arthritis & rheumatology, vol. 71, no. 10, 2019, pp. 1599–1613. http://access.bl.uk/ark:/81055/vdc_100109748426.0x000008