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Rapid and sustained improvements in health-related quality of life, fatigue, and other patient-reported outcomes in rheumatoid arthritis patients treated with certolizumab pegol plus methotrexate over 1 year: results from the RAPID 1 randomized controlled trial

Vibeke Strand*, Philip Mease, Gerd R Burmester, Enkeleida Nikaï, Geoffroy Coteur, Ronald van Vollenhoven, Bernard Combe, Edward C Keystone and Arthur Kavanaugh

Arthritis Research & Therapy 2009, 11:R170  doi:10.1186/ar2859