Karolina Osińska, Marcin Schulz, Agnieszka Morawa, Dawid Studziński, Anna Kołcz, and Michał Kulczak. “IMMUNOMODULATORY EFFECTS OF VITAMIN D AND ITS STATUS IN PATIENTS WITH AUTOIMMUNE DISEASES”. International Journal of Innovative Technologies in Social Science 1, no. 1(49) (January 30, 2026). Accessed May 2, 2026. https://rspublisher.org/index.php/ijitss/article/view/4611.