A comparison of the prevalence of coal workers' pneumoconiosis and respiratory impairment in Pennsylvania bituminous and anthracite miners.
D000367:Age Factors; D001991:Bronchitis / Q000453:epidemiology; D003032:Coal Mining; D003371:Cough / Q000453:epidemiology; D004417:Dyspnea / Q000453:epidemiology; D006801:Humans; D008297:Male; D010414:Pennsylvania; D011009:Pneumoconiosis / Q000000981:diagnostic imaging / Q000453:epidemiology*; D011658:Pulmonary Fibrosis / Q000453:epidemiology; D011859:Radiography; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency / Q000000981:diagnostic imaging / Q000453:epidemiology*; D012907:Smoking / Q000150:complications; D013147:Spirometry; D013183:Sputum / Q000378:metabolism; D013997:Time Factors