[EXTERNAL EFFECTS ON THE MUCOSA OF THE RESPIRATORY ORGANS IN WORKERS ON THE BRATISLAVA RAILWAY].
D003604:Czechoslovakia; D006801:Humans; D009092:Mucous Membrane; D009784:Occupational Diseases; D011890:Railroads; D012137:Respiratory System; D012140:Respiratory Tract Diseases
CZECHOSLOVAKIA; MUCOUS MEMBRANE; OCCUPATIONAL DISEASES; RAILROADS; RESPIRATORY TRACT DISEASES
VONKAJ SIE VPLYVY NA SLIZNICE D'YCHAC'ICH ORG'ANOV U PRACOVN'IKOV BRATISLAVSKEJ DR'AHY.