title: Causal-factors research: valuable tool.
mesh_terms: D000062:Accidents, Occupational; D006077:Government Agencies; D006801:Humans; D008962:Models, Theoretical; D009784:Occupational Diseases / Q000209:etiology*; D009787:Occupational Medicine; D011996:Records; D012107:Research Design; D014481:United States; D014942:Workers' Compensation