Pollution at work. b. Pollution at work in relation to general pollution.
D000397:Air Pollution; D003031:Coal; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced; D008297:Male; D009784:Occupational Diseases / Q000209:etiology*; D013638:Tars; D001335:Vehicle Emissions
D003031:Coal; D013638:Tars; D001335:Vehicle Emissions