S. A. Oliveira, M. M. Siqueira, A. J. Costa, M. T. Almeida, and J. P. Nascimento, “ Serological findings during a measles outbreak occurring in a population with vaccine coverage ”, Rev. Inst. Med. Trop. São Paulo, vol. 37, no. 5, pp. 421–425, Oct. 1995, Accessed: May 17, 2024. [Online]. Available: https://www.revistas.usp.br/rimtsp/article/view/29302