MacFarlane, Gary JBarnish, Maxwell SPathan, EjazMartin, Kathryn RHaywood, Kirstie LSiebert, StefanPackham, JonathanAtzeni, FabiolaJones, Gareth T2017-10-272017-10-272017-11MacFarlane, G J, Barnish, M S, Pathan, E, Martin, K R, Haywood, K L, Siebert, S, Packham, J, Atzeni, F & Jones, G T 2017, 'Co-Occurrence and Characteristics of Patients With Axial Spondyloarthritis Who Meet Criteria for Fibromyalgia : Results From a UK National Register', Arthritis & Rheumatology, vol. 69, no. 11, pp. 2144-2150. https://doi.org/10.1002/art.401852326-5191ORCID: /0000-0003-2322-3314/work/72631724ORCID: /0000-0003-0016-7591/work/83703993http://hdl.handle.net/2164/9515The British Society for Rheumatology (BSR) Biologics Register in Ankylosing Spondylitis is funded by the BSR and they have receive funds for this from Pfizer, AbbVie and UCB. These companies receive advance copies of manuscripts and can provide comments but have no input into determining the topics for analysis, publication and no input into the work involved in this analysis. This analysis is part-funded by Arthritis Research UK (Grant No: 21378)789873engR MedicineArthritis Research UK (ARUK)21378RJournal article10.1002/art.401856911