Rajpurohit, P., Suva, M., Rajpurohit, H., Singh, Y., & Boda, P. (2021). A Retrospective observational survey of adverse events following immunization comparing tolerability of covishield and covaxin vaccines in the real world . Journal of Pharmacovigilance and Drug Research, 2(3), 21-26. https://doi.org/10.53411/jpadr.2021.2.3.5