D. K., S.; R., R.; R., R. A randomised controlled trial on effect of topical anaesthetics on injection pain during immunization in infants of 6 weeks to 6 months of age with pentavac vaccine. International Journal of Contemporary Pediatrics, [S. l.], v. 10, n. 3, p. 295–299, 2023. DOI: 10.18203/2349-3291.ijcp20230422. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/5244. Acesso em: 26 mar. 2026.