[Etiology of chronic bronchitis].
D001991:Bronchitis / Q000209:etiology*; D029481:Bronchitis, Chronic; D006801:Humans; D006967:Hypersensitivity; D007154:Immune System Diseases
ALLERGY/manifestations; BRONCHITIS/etiology and pathogenesis
Uber die Atiologie der chronischen Bronchitis.