Ajdžanović, Vladimir, Branko Filipović, Branka Šošić-Jurjević, Marko Miler, and Verica Milošević. “Margins of Beneficial Daily Dosage of Supplements in Prevention of COVID-19”. EXCLI Journal 20 (April 26, 2021): 828–834. Accessed January 20, 2025. https://excli.de/excli/article/view/3790.