[SANITARY INSTRUCTION AT THE CHELIABINSK METALLURGICAL FACTORY].
D006801:Humans; D008669:Metallurgy; D009787:Occupational Medicine; D012426:Russia; D012499:Sanitation; D012800:Siberia
INDUSTRIAL MEDICINE; RUSSIAN FEDERATION (ASIA); SANITATION
SANITARNOE PROSVESHCHENIE NA CHELIABINSKOM METALLURGICHESKOM ZAVODE.