For citations:

Setko N.P., Bulycheva E.V., Valova A.Ya. Vegetative balance and variability of heart rhythm in students of general educational institutions in conditions of the multicomponent influence of factors of the environment. Hygiene and Sanitation. 2018;97(3):234-238. (In Russ.) https://doi.org/10.47470/0016-9900-2018-97-3-234-238