[Chronic bronchitis and occupations].
D000393:Air Pollutants / Q000009:adverse effects; D001991:Bronchitis / Q000453:epidemiology* / Q000209:etiology; D002908:Chronic Disease; D006801:Humans; D009784:Occupational Diseases; D010316:Particle Size; D011187:Posture
D000393:Air Pollutants
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