Hamada, Afaf. “Vitamins, Omega-3, Magnesium, Manganese, and Thyme Can Boost Our Immunity and Protect Against COVID-19”. European Journal of Biological Research 10, no. 4 (August 19, 2020): 271-295. Accessed April 16, 2024. http://www.journals.tmkarpinski.com/index.php/ejbr/article/view/312.