title: [COPD and the EDEN study: diagnostic and national epidemiological survey of COPD].
authors.forename: P-R
authors.initials: PR
authors.lastname: Burgel
authors.forename: D
authors.initials: D
authors.lastname: Piperno
mesh_terms: D005260:Female; D005602:France / Q000453:epidemiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology*; D012017:Referral and Consultation; D012720:Severity of Illness Index; D012737:Sex Factors