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Measuring worker productivity: frameworks and measures.
Beaton D, Bombardier C, Escorpizo R, Zhang W, Lacaille D, Boonen A, Osborne RH, Anis AH, Strand CV, Tugwell PS. Beaton D, et al. Among authors: zhang w. J Rheumatol. 2009 Sep;36(9):2100-9. doi: 10.3899/jrheum.090366. J Rheumatol. 2009. PMID: 19738221 Review.
Health insurance and out-of-pocket expenses.
Zhang W, Anis AH. Zhang W, et al. Arthritis Rheum. 2009 Nov 15;61(11):1467-9. doi: 10.1002/art.24949. Arthritis Rheum. 2009. PMID: 19877082 Free article. No abstract available.
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