Karło, A., Szmelcer, B., Kontowicz, M., Wszelaki, P., Zaborna, D., Wilczyński, M., … Kędziora-Kornatowska, K. (2019). Degeneration of the lumbar intervertebral discs as a cause of root discomfort in the lumbar spine. Journal of Education, Health and Sport, 9(8), 343–355. Retrieved from https://apcz.umk.pl/JEHS/article/view/7319