Baruzzi, R. G. “Contribution to the Study of the Toxoplasmosis Epidemiology. Serologic Survey Among the Indians of the Upper Xingu River , Central Brazil”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 12, no. 2, Apr. 1970, pp. 93-104, https://revistas.usp.br/rimtsp/article/view/199579.