title: [Nosological definitions and boundaries of aspecific chronic bronchopneumopathies].
mesh_terms: D001982:Bronchial Diseases / Q000145:classification* / Q000473:pathology; D001991:Bronchitis / Q000209:etiology / Q000473:pathology; D002908:Chronic Disease; D006801:Humans; D008171:Lung Diseases / Q000145:classification* / Q000209:etiology / Q000473:pathology
vernacular_title: Delimitazioni e frontiere nosologiche delle broncopneumopatie croniche aspecifiche.