Schatzmayr, H. G. ., Homma, A. ., Loureiro, M. L. P. ., & Denne, Y. S. . (1971). Serowgical studies with enterovirus in sclwol children in a rural area of Guanabara State ( Rio de Janeiro), Brazil. Revista Do Instituto De Medicina Tropical De São Paulo, 13(1), 9-13. https://revistas.usp.br/rimtsp/article/view/199142