Pneumoconiosis in South Africa.
D000402:Airway Obstruction / Q000209:etiology; D001195:Asbestosis / Q000209:etiology; D001991:Bronchitis / Q000209:etiology; D002908:Chronic Disease; D004391:Dust; D006801:Humans; D008906:Mining; D009790:Occupations; D011009:Pneumoconiosis / Q000453:epidemiology / Q000209:etiology*; D012829:Silicosis / Q000209:etiology; D012907:Smoking / Q000150:complications; D013019:South Africa; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology; D014797:Vital Capacity
D004391:Dust