Darbar, S., Agarwal, S. and Saha, S. (2021) “Maintaining Vitamin D Balance to Mitigates COVID-19 Infection and Boosting Immune System”, INTERNATIONAL JOURNAL OF PHARMACEUTICAL EDUCATION AND RESEARCH (IJPER), 3(02), pp. 45-50. Available at: https://www.ijper.in/index.php/IJPER/article/view/124 (Accessed: 28June2025).