title: [Methodology of surveys of chronic bronchitis].
mesh_terms: D001991:Bronchitis / Q000175:diagnosis / Q000453:epidemiology*; D002908:Chronic Disease; D005602:France; D006801:Humans; D008403:Mass Screening / Q000379:methods
vernacular_title: Méthodlogies des enquêtes concernant la bronchite chronique