Buravleva N N, Semennikova T K, Varzina N V
Med Tr Prom Ekol. 1994(1):14-6.
Workers smelting sillcochrome and ferrochrome are likely to develop toxic and dust bronchitis besides the silicosis. The clinical syndromes present emphysema, asthma, inflammation, which is due to the chemical composition of the aerosol condensation. Toxic and dust bronchitis usually develop after 18 or more years of service.