On the epidemiology of respiratory diseases.
D000397:Air Pollution; D001984:Bronchial Neoplasms / Q000453:epidemiology; D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology; D008175:Lung Neoplasms / Q000453:epidemiology; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012907:Smoking; D014376:Tuberculosis / Q000453:epidemiology