The effects of air contamination on health. I.
D000328:Adult; D000368:Aged; D000397:Air Pollution; D001530:Belgium; D004777:Environment; D004781:Environmental Exposure; D005260:Female; D006306:Health Surveys; D006801:Humans; D008131:London; D008297:Male; D008875:Middle Aged; D010414:Pennsylvania; D011446:Prospective Studies; D012140:Respiratory Tract Diseases / Q000401:mortality; D012907:Smoking; D012924:Social Conditions; D013458:Sulfur Dioxide / Q000009:adverse effects
D013458:Sulfur Dioxide