Epidemiological problems of coal workers' bronchitis in comparison with the general population.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000402:Airway Obstruction / Q000209:etiology; D000403:Airway Resistance; D001314:Auscultation; D001991:Bronchitis / Q000150:complications / Q000453:epidemiology*; D002648:Child; D002908:Chronic Disease; D003032:Coal Mining; D003371:Cough / Q000209:etiology; D004391:Dust; D005260:Female; D005858:Germany; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D011009:Pneumoconiosis / Q000150:complications; D011658:Pulmonary Fibrosis / Q000150:complications; D012907:Smoking / Q000150:complications; D013183:Sputum / Q000378:metabolism; D013997:Time Factors
D004391:Dust