Article Title,Year,Volume,Issue,Page Range,Author Experience with the work of a traumatological center of the Kalinin region of Leningrad; 25th anniversary of the organization of traumatological centers,1958,39,,130-140,El'berg Industrial trauma among miners of the Nelidovshakhtostroi Trust,1958,39,,122-129,Grubina Result of work for the decrease of industrial trauma at the Sokolsk cellulo-paper plants,1958,39,,113-121,Kuksenok Lethal and minimal (borderline) concentrations of freons,1963,75,,241-249,Karpov Data on the toxicology in chronic exposures to freon-22,1963,75,,231-240,Karpov Non-industrial trauma according to material of the mechnikov hospital in leningrad,1963,72,,148-153,Ivanov The nature of industrial trauma according to data of the mechnikov hospital in leningrad,1963,72,,139-147,Ivanov