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Depression and anxiety in patients with rheumatoid arthritis: prevalence rates based on a comparison of the Depression, Anxiety and Stress Scale (DASS) and the hospital, Anxiety and Depression Scale (HADS)

Tanya Covic*, Steven R Cumming, Julie F Pallant, Nick Manolios, Paul Emery, Philip G Conaghan and Alan Tennant

BMC Psychiatry 2012, 12:6  doi:10.1186/1471-244X-12-6