Dustbowls, disease, and the new deal: The Farm Security Administration migrant health programs, 1935-1947.
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D000382:Agricultural Workers' Diseases / Q000266:history* / Q000517:prevention & control; D004467:Economics / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011635:Public Health Administration / Q000266:history*; D012423:Rural Health / Q000266:history*; D014171:Transients and Migrants / Q000266:history*; D014481:United States