[TECHNICAL PROGRESS IN THE CHEMICAL INDUSTRY OF THE USSR AND OCCUPATIONAL HYGIENE].
D002617:Chemical Industry; D006801:Humans; D006920:Hygiene; D009787:Occupational Medicine; D014586:USSR
CHEMICAL INDUSTRY; INDUSTRIAL MEDICINE; USSR
TEKHNICHESKII PROGRESS V KHIMICHESKO I PROMYSHLENNOSTI SSSR I GIGIENA TRUDA.