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. 2018 Aug 3;77(11):1578–1584. doi: 10.1136/annrheumdis-2018-213590

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© Author(s) (or their employer(s)) 2018. Re-use permitted under CC BY. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.

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Forest plot comparing changes in WPAI outcomes between patients in the biological and non-biological treatment groups. BSRBR-AS, British Society of Rheumatology Biologics register in Axial Spondyloarthritis; WPAI, Work Productivity and Activity Impairment.