Zeledón, Rodrigo, and Cecilia Lizano. “Experimental Infection of the Guinea-Pig With Chagas’ Disease and Superimposed Leishmaniasis, and Electrophoretic Analysis of the Serum”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 4, no. 2, Apr. 1962, pp. 124-9, https://revistas.usp.br/rimtsp/article/view/202635.