[Hygienic evaluation of the working conditions in iron ore pelletizing factories].
D004391:Dust / Q000032:analysis; D007501:Iron; D008669:Metallurgy; D008834:Microclimate; D009787:Occupational Medicine; D014586:USSR
D004391:Dust; D007501:Iron
Gigienicheskaia otsenka usloviĭ truda na fabrikakh zhelezorudnykh okatysheĭ