Woitas, L. R., J. W. Ribas, and I. J. Zotarelli Filho. “State of The Art on The Main Randomized Clinical Studies, Meta-Analysis, and International Consensus on The Influence of Serum Levels and Supplementation of Vitamin D on Athletes Performance”. MedNEXT Journal of Medical and Health Sciences, vol. 2, no. 2, Mar. 2021, pp. 1–9, doi:10.34256/mdnt2121.