Pankova, V B [Diseases of the upper respiratory tract in workers in "dusty" jobs]. [electronic resource] - Gigiena truda i professional'nye zabolevaniia 1992 - 9-12 p. digital Publication Type: Comparative Study; English Abstract; Journal Article ISSN: 0016-9919 Subjects--Topical Terms: Chronic DiseaseDust--adverse effectsHumansMucociliary ClearanceOtorhinolaryngologic Diseases--epidemiologyPneumoconiosis--epidemiologyPrevalenceProspective StudiesRetrospective StudiesRussia--epidemiology