Coimbra, Teresinha Lisieux M., Lygia Busch Iversson, Marlene Spir, Venâncio A. Ferreira Alves, and Marcos Boulos. “ Epidemiological Investigation into Cases of Yellow Fever in the North- West Region of S. Paulo State, Brazil ”. Revista de Saúde Pública 21, no. 3 (June 1, 1987): 193–199. Accessed July 6, 2024. https://revistas.usp.br/rsp/article/view/23420.