title: [Basic directions in technical progress and current problems of work hygiene in the production of copper].
mesh_terms: D003300:Copper; D008669:Metallurgy; D009787:Occupational Medicine
chemical_list: D003300:Copper
vernacular_title: Osnovnye napravleniia teknicheskogo progressa i aktual'nye voprosy gigieny truda v proizvodstve medi.