title: [Spirometric examination and clinical symptoms during epidemiological study on the incidence of chronic bronchitis].
mesh_terms: D001991:Bronchitis / Q000453:epidemiology / Q000503:physiopathology*; D002908:Chronic Disease; D003604:Czechoslovakia; D006801:Humans; D013147:Spirometry; D014692:Ventilation-Perfusion Ratio
vernacular_title: Spirometrické vysetrení a klinické príznaky pri epidemiologické studii o výskytu vleklé bronchitidy.