KUMAR, D.; KAPOOR, N.; RAGHAV, P. R.; GEHLOT, M. S. VDPV and polio end game strategy: the final frontier. International Journal of Contemporary Pediatrics, [S. l.], v. 1, n. 2, p. 128–130, 2017. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/596. Acesso em: 7 nov. 2025.