Guty, Edyta, Magdalena Kozimala, Beata Boratyn, Aneta Mrozowicz, Agata Wojtowicz, and Luiza Balicka-Adamik. 2018. “Assessment of Mobility Impairment in Patients With Multiple Sclerosis”. Journal of Education, Health and Sport 8 (12):520-29. https://apcz.umk.pl/JEHS/article/view/6402.