For citations:
Tikhonova G.I., Piktushanskaya T.E., Gorchakova T.Yu., Churanova A.N., Bryleva M.S. Influence of duration and intensity of exposure to occupational hazards on mortality levels of coal miners. Russian Journal of Occupational Health and Industrial Ecology. 2018;(7):16-21. (In Russ.) https://doi.org/10.31089/1026-9428-2018-7-16-21