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3. United States Government Accounting Office (2000) Pesticides: improvements needed to ensure the safety of farmworkers and their children. Available from: http://www.gao.gov/archive/2000/rc00040.pdf
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5. Washington State Department of Health (2003) Summary results of Yakima farmworker focus groups about pesticides and health care. Available from: http://www.doh.wa.gov/ehp/oehas/publications_pdf/focus_group_summary_030922final.pdf