BHATNAGAR, R.; SAHAI, L. Resurgence of diphtheria and its outcome among children in western Uttar Pradesh: a battle to conquer. International Journal of Contemporary Pediatrics, [S. l.], v. 7, n. 1, p. 149–153, 2019. DOI: 10.18203/2349-3291.ijcp20195744. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/2984. Acesso em: 12 feb. 2026.