For citations:
Shantyr I.I., Yakovleva M.V., Vlasenko M.A., Sannikov M.V., Kharlamychev E.M. Changes in bioele-mental state of firemen of North-West region. Russian Journal of Occupational Health and Industrial Ecology. 2018;(4):33-37. (In Russ.) https://doi.org/10.31089/1026-9428-2018-4-33-37