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OBJECTIVE In patients with active rheumatoid arthritis (RA) despite methotrexate, to compare the efficacy of adding tocilizumab to that of switching to tocilizumab monotherapy. METHODS(More)
BACKGROUND Low serum vitamin D concentrations have been reported in several autoimmune disorders. OBJECTIVE To assess whether low serum vitamin D concentrations are related to disease activity of(More)
The objectives of this study were to gather information regarding demographic and clinical characteristics of patients diagnosed with either fibromyalgia (FM) or chronic fatigue (CFS) following(More)