Pneumoconiosis mortality declining.
D000395:Air Pollutants, Occupational / Q000032:analysis; D001195:Asbestosis / Q000401:mortality; D004391:Dust / Q000032:analysis; D004784:Environmental Monitoring; D062665:Epidemiological Monitoring; D006801:Humans; D011009:Pneumoconiosis / Q000401:mortality*; D015996:Survival Rate; D014481:United States / Q000453:epidemiology
D000395:Air Pollutants, Occupational; D004391:Dust