JUSIAK, Justyna, HALIK, Paulina, ZAŁĘSKI , Daniel, KRANKIEWICZ, Michał and BERDZIŃSKA, Martyna. Vitamin D: Role, Sources, Mechanism of Action and Significance for Human Health. Quality in Sport. Online. 26 November 2025. Vol. 47, p. 66791. [Accessed 11 December 2025]. DOI 10.12775/QS.2025.47.66791.