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Source Information
From the Department of Environmental and Occupational Health Sciences, University of Washington School of Public Health, Seattle (G.M.F.); the Washington State Department of Labor and Industries, Olympia (G.M.F.); the Washington Health Technology Assessment Clinical Committee and the Washington Health Technology Assessment Program, Olympia (B.R.B.); and Group Health Cooperative, Spokane, WA (B.R.B.).
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