title: Pneumoconiosis, coalmine dust and the PFR.
authors.affiliation: Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA.
authors.forename: M D
authors.initials: MD
authors.lastname: Attfield
authors.forename: E D
authors.initials: ED
authors.lastname: Kuempel
mesh_terms: D035843:Biomedical Research / Q000379:methods; D003032:Coal Mining; D006801:Humans; D009787:Occupational Medicine / Q000379:methods; D011009:Pneumoconiosis / Q000453:epidemiology / Q000209:etiology*; D006113:United Kingdom / Q000453:epidemiology