[Hygienic work conditions in the industry producing chromium ferro-alloys].
D000497:Alloys; D002857:Chromium; D006801:Humans; D007501:Iron; D008669:Metallurgy; D009787:Occupational Medicine; D014586:USSR
D000497:Alloys; D002857:Chromium; D007501:Iron
Gigienicheskie usloviia truda v proizvodstve khromovykh ferrosplavov.