[Chronic bronchitis and invalidating respiratory insufficiency in a rural environment].
D000328:Adult; D000367:Age Factors; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D004417:Dyspnea / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D012424:Rural Population; D012494:Sampling Studies
La bronchite chronque et l'insuffisance respiratoire invalidante en milieu rural.