SIUKA, Darko, PFEIFER, Marija in PINTER, Bojana, 2020, Vitamin D Supplementation During the COVID-19 Pandemic. Mayo Clinic proceedings [na spletu]. 2020. Vol. 95, no. 8, p. 1804–1805. [Dostopano 20 junij 2025]. DOI 10.1016/j.mayocp.2020.05.036. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=122079