Bogacka, A., Wadowska, Z., Lenart, J., Janik, N., Janowiak, J., Kiersznowska, N., … Miłek, B. (2025). Vitamin D and Reproductive Dysfunction in Polycystic Ovary Syndrome: Metabolic, Hormonal and Fertility Implications. Quality in Sport, 48, 67048. https://doi.org/10.12775/QS.2025.48.67048