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Impact of extra-articular spondyloarthritis manifestations and comorbidities on drug retention of a first TNF-inhibitor in ankylosing spondylitis: a population-based nationwide study

Crossref DOI link: https://doi.org/10.1136/rmdopen-2018-000762

Published Online: 2018-10-15

Published Print: 2018-10

Update policy: https://doi.org/10.1136/crossmarkpolicy

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