title: [Preliminary results of a study on the prevalence of chronic bronchitis in Slovenia with special reference to various etiological factors].
mesh_terms: D000397:Air Pollution; D001991:Bronchitis / Q000453:epidemiology* / Q000209:etiology; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D012907:Smoking / Q000150:complications; D015022:Yugoslavia
vernacular_title: Preliminarni rezultati studije o prevalenci hronicnog bronhitisa u Sloveniji sa posebnim aspektom na neke etioloske faktore