Bronchial hyperreactivity to sulfur dioxide: physiologic and political implications.
D000393:Air Pollutants; D001249:Asthma / Q000150:complications; D001986:Bronchial Spasm / Q000150:complications; D006801:Humans; D005082:Physical Exertion; D012130:Respiratory Hypersensitivity; D013458:Sulfur Dioxide / Q000009:adverse effects*
D000393:Air Pollutants; D013458:Sulfur Dioxide