ARUNACHALMATH, P. V.; MURTELI, V. B. Limiting factors for snail’s pace success of immunization. International Journal of Contemporary Pediatrics, [S. l.], v. 8, n. 2, p. 248–254, 2021. DOI: 10.18203/2349-3291.ijcp20210108. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/3839. Acesso em: 6 nov. 2025.