[The present status of research on the relation of working conditions and the occurrence of bronchitis, pulmonary emphysema and bronchial asthma].
D001249:Asthma / Q000453:epidemiology*; D001991:Bronchitis / Q000453:epidemiology*; D003604:Czechoslovakia; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology; D011656:Pulmonary Emphysema / Q000453:epidemiology*
Soucasný stav výzkumu vztahu pracovních podmínek k onemocnĕní bronchitidou, emfyzémem plic a astmatem bronchiálním.