Martyna Jaciubek, Maja Osuch, Maciej Osuch, Olga Tatarata, Carmena Luty, Amanda Abramowicz, Magdalena Rumin, Anna Kiełboń, Zuzanna Olga Reklewska, and Kornelia Domagała. 2026. “VITAMIN D3 IN THE PATHOGENESIS AND CLINICAL COURSE OF MULTIPLE SCLEROSIS: A COMPREHENSIVE REVIEW OF CURRENT EVIDENCE (2015–2026)”. International Journal of Innovative Technologies in Social Science 2 (1(49). https://doi.org/10.31435/ijitss.1(49).2026.5069.