[The incidence of chronic nonspecific respiratory diseases in the rural population].
D006801:Humans; D006814:Hungary; D008400:Mass Chest X-Ray; D008403:Mass Screening; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012423:Rural Health; D012424:Rural Population
Krónikus aspecifikus légzési betegségek (KALB) elöfordulása falun élö lakosság körében.