Pannuti, C. S., Souza, V. A. U. F. de, Sato, H. K., Fink, M. C. D. S., Ribeiro, M. I., Hisi, S. K., Castelo, A., & Mendonça, J. S. de. (1990). Serologic efficacy of a two dose measles vaccination schedule at 6 and 11 months of age: a prospective study . Revista Do Instituto De Medicina Tropical De São Paulo, 32(6), 450-455. https://revistas.usp.br/rimtsp/article/view/28777