Popovych, I. et al. 2021. Relationships between geomagnetic Ар-indeх and parameters of the immunity in patients with multiple sclerosis and radiculopathies. Journal of Education, Health and Sport. 11, 3 (Mar. 2021), 77–90. DOI:https://doi.org/10.12775/JEHS.2021.11.03.009.