Winiecka, Dorota, Joanna Olkiewicz, and Robert Ślusarz. “The Symptoms of Depression and the Sociodemographic Factors in Patients With Multiple Sclerosis”. The Journal of Neurological and Neurosurgical Nursing 5, no. 1 (June 28, 2016): 4–9. Accessed July 19, 2024. https://apcz.umk.pl/PNIN/article/view/38605.