AGRAWAL, A. D.; GUPTA, G.; BHASIN, A.; SINGH, A.; RATHI, A. Impact of COVID-19 pandemic on routine childhood immunisation services post lockdown in a tertiary care centre in Meerut district of western U.P. International Journal of Contemporary Pediatrics, [S. l.], v. 8, n. 2, p. 219–224, 2021. DOI: 10.18203/2349-3291.ijcp20210073. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/4021. Acesso em: 6 nov. 2025.