Rohilla, Kusum K, Deepak Rohilla, Bhagwati Devi, Parvin K Yadav, Kamlesh Malik, and Mahendra K Saini. “India’s Contribution During COVID-19 Pandemic: COVISHIELD and COVAXIN”. National Journal of Community Medicine 12, no. 12 (December 31, 2021): 449–451. Accessed May 20, 2024. https://njcmindia.com/index.php/file/article/view/233.