Back pain and health status in patients with clinically diagnosed ankylosing spondylitis, psoriatic arthritis and other spondyloarthritis: a cross-sectional population-based study.

Lindström U, Bremander A, Haglund E, Bergman S, Petersson IF, Jacobsson LT.

BMC Musculoskelet Disord. 2016 Feb 27;17:106. doi: 10.1186/s12891-016-0960-8.

PMID: 26922375