[Aspects of work disability in relation to nontuberculous diseases of the respiratory system in Czechoslovakia].
D000041:Absenteeism; D003604:Czechoslovakia; D006801:Humans; D012140:Respiratory Tract Diseases / Q000453:epidemiology*
Niektoré aspekty pracovnej neschopnosti vo vztahu k netuberkulóznym ochoreniam dýchacieho ústrojenstva v Ceskoslovensku.