Wójcik-Grudzień J, Ozga-Stachurska A, Pawłowska P, Rozenbajgier M. Witamin D in children population - benefits and threats. J Educ Health Sport [Internet]. 2022 Sep. 5 [cited 2025 Jun. 25];12(9):484-90. Available from: https://apcz.umk.pl/JEHS/article/view/39711