Absent “Window of Opportunity” in smokers with short disease duration. Data from BARFOT, a multicenter study of early rheumatoid arthritis.
Söderlin MK, Bergman S; BARFOT Study Group.
J Rheumatol. 2011 Oct;38(10):2160-8
Smoking at onset of rheumatoid arthritis (RA) and its effect on disease activity and functional status: experiences from BARFOT, a long-term observational study on early RA.
Söderlin MK, Petersson IF, Bergman S, Svensson B; BARFOT study group.
Scand J Rheumatol. 2011;40(4):249-55.