[Air pollution and chronic bronchitis].
D000397:Air Pollution; D001991:Bronchitis / Q000139:chemically induced* / Q000453:epidemiology / Q000401:mortality; D002908:Chronic Disease / Q000139:chemically induced; D006801:Humans; D013458:Sulfur Dioxide / Q000633:toxicity*; D013557:Switzerland
D013458:Sulfur Dioxide
Luftverschmutzung und chronische Bronchitis.