Filters: Author is Zhang,W. [Clear All Filters]
Measuring the impact of arthritis on worker productivity: perspectives, methodologic issues, and contextual factors. Journal of Rheumatology. 2011;38(8):1776-90. Abstract
Productivity loss due to presenteeism among patients with arthritis: Estimates from 4 instruments. Journal of Rheumatology. 2010;37(9):1805-14. Abstract
The Work Instability Scale for Rheumatoid Arthritis (RA-WIS): Does it work in osteoarthritis? Quality of Life Research. 2010;19(7):1057-68. Abstract
Measuring worker productivity: frameworks and measures. Journal of Rheumatology. 2009;36(9):2100-9. Abstract

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