Introductory remarks concerning pathological changes in coal workers' pneumoconiosis.
D000367:Age Factors; D003032:Coal Mining; D004198:Disease Susceptibility; D004391:Dust; D006801:Humans; D007883:Legislation, Medical; D008168:Lung / Q000473:pathology*; D008297:Male; D009657:North Carolina; D011009:Pneumoconiosis / Q000473:pathology*; D012907:Smoking / Q000150:complications
D004391:Dust