[The role of occupational and other irritating factors in chronic bronchitis].
D001991:Bronchitis / Q000209:etiology*; D002908:Chronic Disease; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D012907:Smoking
Die Rolle von beruflichen und anderen Reizstoffen in der chronischen Bronchitis.