3Firestein G S.Evolving concepts of rheumatoid arthritis[J].Nature,2003,423(6937):356-361.
4Van Vollenhoven R F.Treatment of rheumatoid arthritis:state of the art 2009[J].Nat Rev Rheumatol,2009,5(10):531-541.
5Keystone E.Recent concepts in the inhibition of radiographic progression with biologics[J].Curr Opin Rheumatol,2009,21(3):231-237.
6Cronstein B N.Low-dose methotrexate:a mainstay in the treatment of rheumatoid arthritis[J].Pharmacol Rev,2005,57(2):163-172.
7Vollenhoven R F.Treatment of rheumatoid arthritis:state of the art 2009[J].Nat Rev Rheumatol,2009,5(10):531-541.
8Mttnen T,Hannonen P,Leirisalo-Repo M,et al.Comparison of combination therapy with single-drug therapy in early rheumatoid arthritis:a randomised trial.FIN-RACo trial group[J].Lancet,1999,353(9164):1568-1573.
9Goekoop-Ruiterman Y P.Clinical and radiographic outcomes of four different treatment strategies in patients with early rheumatoid arthritis (the BeSt study):a randomized,controlled trial[J].Arthritis Rheum,2005,52:3381–3390.
10Vollenhoven R F.When methotrexate fails in early rheumatoid arthritis,the addition of infliximab is more effective than the addition of sulfasalazine and hydroxychloroquine:1-year results of the Swefot clinical trial[J].Lancet (in press).