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Inhibition of radiographic progression with combination etanercept and methotrexate in patients with moderately active rheumatoid arthritis previously treated with monotherapy.
van der Heijde D, Burmester G, Melo-Gomes J, Codreanu C, Martin Mola E, Pedersen R, Robertson D, Chang D, Koenig A, Freundlich B; Etanercept Study Investigators. van der Heijde D, et al. Ann Rheum Dis. 2009 Jul;68(7):1113-8. doi: 10.1136/ard.2008.094375. Epub 2008 Aug 21. Ann Rheum Dis. 2009. PMID: 18718986 Free article. Clinical Trial.