Sick leave and its predictors in ankylosing spondylitis: long-term results from the Outcome in Ankylosing Spondylitis International Study
Casper Webers, Sofia Ramiro, Robert Landewé, Désirée van der Heijde, Filip van den Bosch, Maxime Dougados, Astrid van Tubergen, Annelies Boonen
RMD Open Nov 2018, 4 (2) e000766; DOI: 10.1136/rmdopen-2018-000766