P. C. BejoWolkers, J. S. Santos, M. C. de . Carvalho Furtado, J. C. Pina, R. A. . Garcia Lima, and D. F. . de Mello, “Hospitalized Children and Opportunities to Vaccinate Vulnerable Populations: An Integrative Literature Review ”, Int. J. Pediatr. Child Health, vol. 4, no. 1, pp. 52–59, Jun. 2016.