Strömbeck, B., Jacobsson, L. T. H., Bremander, A., Englund, M., Heide, A., Turkiewicz, A., & Petersson, I. F. (2009). Patients with ankylosing spondylitis have increased sick leave—a registry-based case–control study over 7 yrs. Oxford University Press.

Strömbeck, Britta, Lennart T. H. Jacobsson, Ann Bremander, Martin Englund, Anders Heide, Aleksandra Turkiewicz, and Ingemar F. Petersson. Patients With Ankylosing Spondylitis Have Increased Sick Leave—a Registry-based Case–control Study Over 7 Yrs. Oxford University Press, 2009.

Strömbeck, Britta, et al. Patients With Ankylosing Spondylitis Have Increased Sick Leave—a Registry-based Case–control Study Over 7 Yrs. Oxford University Press, 2009.