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Journal
Ann Rheum Dis
Volume
66
Issue
8
Pages
1038-42
Publication year
2007
Suggested citation
Heiberg MS, Kaufmann C, Rodevand E, Mikkelsen K, Koldingsnes W, Mowinckel P, Kvien TK. The comparative effectiveness of anti-TNF therapy and methotrexate in patients with psoriatic arthritis: 6 month results from a longitudinal, observational, multicentre study. Ann Rheum Dis. 2007; 66(8): 1038-42.