Guty, E., Kozimala, M., Boratyn, B., Mrozowicz, A., Nowak, P., & Balicka-Adamik, L. (2019). Multiple sclerosis: psychological problems (emotional tension, stress, depressive disorders) and accompanying factors. Journal of Education, Health and Sport, 9(4), 265–275. Retrieved from https://apcz.umk.pl/JEHS/article/view/6810