The association of fatigue, comorbidity burden, disease activity, disability and gross domestic product in patients with rheumatoid arthritis. Results from 34 countries participating in the Quest-RA program
Clinical and Experimental Rheumatology, 2014-11, Vol.32 (6), p.869-877 [Peer Reviewed Journal]ISSN: 0392-856X ;ISSN: 1593-098X ;EISSN: 1593-098X ;PMID: 25327997
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