Popow, Weronika, Paulina Sadkowska, Katarzyna Jania, Karolina Smolińska, Julia Kulczycka, Michał Ciołkosz, Tomasz Antczak, Monika Gajda-Bathelt, Monika Dąbek, and Zuzanna Perlicka. “A Review of the Influence of Vitamin D Deficiency on Muscle Strength and Exercise Performance in Adults”. Quality in Sport 43 (July 11, 2025): 62325. Accessed December 31, 2025. https://apcz.umk.pl/QS/article/view/62325.