Long-term sustained remission in a cohort study of patients with rheumatoid arthritis: choice of remission criteria.
Svensson B, Andersson ML, Bala SV, Forslind K, Hafström I; BARFOT study group.
BMJ Open. 2013 Sep 10;3(9):e003554. doi: 10.1136/bmjopen-2013-003554