title: Is regulation effective? A case study of underground coal mining.
authors.affiliation: United Mine Workers of America, Washington, DC 20005.
authors.forename: J L
authors.initials: JL
authors.lastname: Weeks
mesh_terms: D000062:Accidents, Occupational / Q000706:statistics & numerical data; D000395:Air Pollutants, Occupational / Q000032:analysis; D003031:Coal / Q000032:analysis; D003032:Coal Mining; D004391:Dust / Q000032:analysis; D006801:Humans; D009316:National Institutes of Health (U.S.); D009787:Occupational Medicine / Q000331:legislation & jurisprudence*; D011009:Pneumoconiosis / Q000453:epidemiology*; D015995:Prevalence; D014481:United States
chemical_list: D000395:Air Pollutants, Occupational; D003031:Coal; D004391:Dust