[PATHOLOGICAL CHANGES IN THE MUCOSA OF THE UPPER RESPIRATORY TRACT AND LARYNX IN GRAY CAST IRON FOUNDRY WORKERS, THEIR PREVENTION AND THERAPY].
D003604:Czechoslovakia; D003638:Deafness; D004391:Dust; D006801:Humans; D007501:Iron; D007827:Laryngitis; D007830:Larynx; D009092:Mucous Membrane; D009784:Occupational Diseases; D012137:Respiratory System; D012140:Respiratory Tract Diseases; D012829:Silicosis
D004391:Dust; D007501:Iron
CZECHOSLOVAKIA; DEAFNESS; DUST; LARYNGITIS; OCCUPATIONAL DISEASES; RESPIRATORY TRACT DISEASES; SILICOSIS
CHOROBN'E ZM ENY SLIZNICE HORN'ICH CEST D'YCHAC'ICH A HRTANU U PRACUJ'IC'ICH VE SL'EV'ARN E  SED'E LITNY, JEJICH PREVENCE A L'E CBA.