title: [State of the function of external respiration in agricultural machine operators].
mesh_terms: D000328:Adult; D000382:Agricultural Workers' Diseases / Q000503:physiopathology*; D001249:Asthma / Q000503:physiopathology*; D001991:Bronchitis / Q000503:physiopathology*; D004391:Dust; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008875:Middle Aged; D012119:Respiration; D012129:Respiratory Function Tests
chemical_list: D004391:Dust
vernacular_title: Sostoianie funktsii vneshnego dykhaniia u mekhanizatorov sel'skogo khoziaĭstva