KAITHERY, N. N.; KUMARAN, J. A. Knowledge and practice of polio vaccination among mothers of infants attending community health centre of northern Kerala. International Journal Of Community Medicine And Public Health, [S. l.], v. 5, n. 7, p. 2911–2915, 2018. DOI: 10.18203/2394-6040.ijcmph20182621. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/2981. Acesso em: 11 oct. 2025.