[Etiology and prevention of chronic bronchitis].
D001991:Bronchitis / Q000453:epidemiology / Q000209:etiology* / Q000517:prevention & control; D002908:Chronic Disease; D004781:Environmental Exposure; D006801:Humans; D009787:Occupational Medicine; D011315:Preventive Medicine
Genese und Prophylaxe der chronischen Bronchitis.