title: [Chronic bronchitis and obstructive lung disease: analytical assay].
authors.forename: A N
authors.initials: AN
authors.lastname: Kokosov
mesh_terms: D001991:Bronchitis / Q000175:diagnosis / Q000453:epidemiology / Q000503:physiopathology; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006801:Humans; D015994:Incidence; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000453:epidemiology / Q000503:physiopathology; D012129:Respiratory Function Tests; D012426:Russia / Q000453:epidemiology