“Natural Antioxidants and Vitamins Supplementation Shelters Adolescents from Upper Respiratory Tract Infection”. International Journal of Child Health and Nutrition 9, no. 1 (March 16, 2020): 26–33. Accessed June 12, 2026. https://www.lifescienceglobel.com/index.php/ijchn/article/view/6469.