Smoking is associated with a worse self-reported health status in patients with psoriatic arthritis: data from a Swedish population-based cohort.

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

Clin Rheumatol. 2015 Mar;34(3):579-83. doi: 10.1007/s10067-014-2742-8. Epub 2014 Jul 15.

PMID: 25024097