1. Depression Inventory;Beck,1978
2. Multidimensional Assessment of Fatigue (MAF) Scale: Users Guide;Belza,1990
3. Comparison of self-reported fatigue in rheumatoid arthritis and controls;Belza;J Rheumatol,1995
4. Correlates of fatigue in older adults with rheumatoid arthritis;Belza;Nurs Res,1993