Environmental hazards. Effects of community air pollution on prevalence of respiratory disease.
D000328:Adult; D000368:Aged; D000397:Air Pollution; D001955:British Columbia; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012907:Smoking; D014481:United States