Lopes, E. R. ., Chapadeiro, E. ., Furtado, J. H. M. ., Hial, W. ., Cintra, J. R. M. ., Pereira, F. E. L. ., & Campos Netto, A. . (1966). Guerreiro and Machado serological reaction in the pericardic fluid of patients with chronic Chagas’ disease. Revista Do Instituto De Medicina Tropical De São Paulo, 8(2), 60-61. https://revistas.usp.br/rimtsp/article/view/201892