2005 | BARFOT

Smoking is a strong risk factor for rheumatoid nodules in early rheumatoid arthritis.

Nyhäll-Wåhlin BM, Jacobsson LT, Petersson IF, Turesson C; BARFOT study group.Ann Rheum Dis. 2006 May;65(5):601-6. doi: 10.1136/ard.2005.039172. Epub 2005 Sep 15.PMID: 16166104 Free PMC article.