title: [Chronic bronchitis in Tunisia: epidemiological aspects].
mesh_terms: D000328:Adult; D000367:Age Factors; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012424:Rural Population; D012737:Sex Factors; D012907:Smoking; D014416:Tunisia; D014505:Urban Population
vernacular_title: La bronchite chronique en Tunisie. Aspect épidémiologique.