Vivchar, R. Y., V. M. Akimova, L. Y. Lapovets, and N. Y. Lapovets. “The White Blood Cell Count (WBC) and Neutrophil-to-Lymphocyte Ratio (NRL) in Multiple Sclerosis”. Journal of Education, Health and Sport, vol. 10, no. 10, Oct. 2020, pp. 294-9, doi:10.12775/JEHS.2020.10.10.028.