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, [S. l.], v. 2, n. 3, p. 20–25, 2021. DOI: 10.53411/jpadr.2021.2.3.5. Disponível em: https://test.jpadr.com/index.php/jpadr/article/view/42. Acesso em: 14 oct. 2026.