Venkata, Gnaneswari Regati. “Role of Adjunctive Vitamin C Supplement Therapy in Combating COVID-19”. International Journal of Basic & Clinical Pharmacology 9, no. 12 (November 25, 2020): 1931–1934. Accessed July 14, 2025. https://www.ijbcp.com/index.php/ijbcp/article/view/4440.