Air pollution and respiratory illness.
D000397:Air Pollution / Q000517:prevention & control; D000818:Animals; D001991:Bronchitis / Q000209:etiology; D002908:Chronic Disease; D003710:Demography; D004812:Epidemiologic Methods; D006168:Guinea Pigs; D006801:Humans; D008264:Macrophages; D011650:Pulmonary Alveoli / Q000503:physiopathology; D011656:Pulmonary Emphysema / Q000209:etiology; D012107:Research Design; D012140:Respiratory Tract Diseases / Q000209:etiology* / Q000401:mortality / Q000503:physiopathology; D012141:Respiratory Tract Infections / Q000209:etiology; D012907:Smoking / Q000150:complications; D012959:Socioeconomic Factors; D013458:Sulfur Dioxide / Q000009:adverse effects
D013458:Sulfur Dioxide