title: [Chronic bronchitis. Stages in its development and prophylactic outlook].
mesh_terms: D001980:Bronchi / Q000473:pathology; D001991:Bronchitis / Q000175:diagnosis / Q000209:etiology* / Q000517:prevention & control; D002908:Chronic Disease; D004198:Disease Susceptibility; D006801:Humans; D008168:Lung / Q000473:pathology; D011322:Primary Prevention; D012306:Risk
vernacular_title: Khronicheskiĭ bronkhit. Etapy razvitiia, perspektivy profilaktiki.