Yanko, R., Levashov, M., Chaka, E., Litovka, I. and Safonov, S. 2020. Seasonal features of the combined effects of intermittent normobabic hypoxia and melatonin on the thyroid gland morphofunctional state. Journal of Education, Health and Sport. 10, 4 (Apr. 2020), 186–198. DOI:https://doi.org/10.12775/JEHS.2020.10.04.021.