title: [Influence of sex and age on the prevalence of chronic bronchitis].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012737:Sex Factors; D012907:Smoking / Q000150:complications
vernacular_title: Influenţa sexului şi a vîrstei asupra prevalenţei bronşitei cronice.