[Frequency and some information concerning the epidemiology of chronic non-specific pulmonary diseases in persons performing mental work].
D006801:Humans; D007360:Intelligence; D008171:Lung Diseases / Q000453:epidemiology*; D009790:Occupations; D012426:Russia
Chastota i nekotorye svedeniia ob épidemiologii khronicheskikh nespetsificheskikh zabolevaniĭ legkikh u lits umstvennogo truda.