No abstract available
MeSH terms
-
Coal / adverse effects*
-
Coal Mining*
-
Dust / adverse effects*
-
Heart Diseases / epidemiology
-
Heart Diseases / etiology*
-
Heart Diseases / mortality
-
Humans
-
Occupational Exposure / adverse effects*
-
Respiratory Tract Diseases / epidemiology
-
Respiratory Tract Diseases / etiology*
-
Respiratory Tract Diseases / mortality
-
United States / epidemiology