title: Effect of Coal Mine Health and Safety Act on respirable dust concentrations in coal miners.
mesh_terms: D003032:Coal Mining; D004391:Dust / Q000032:analysis*; D004781:Environmental Exposure; D006801:Humans; D007883:Legislation, Medical; D008722:Methods; D009787:Occupational Medicine; D014481:United States
chemical_list: D004391:Dust