Azevedo, D. S. de ., Jamra, L. M. F. ., & Ribeiro, M. de F. . (1983). Isolation of Toxoplasma gondii oocysts from soils of Recife, Pernambuco State, Brazil. Revista Do Instituto De Medicina Tropical De São Paulo, 25(1), 31-36. https://revistas.usp.br/rimtsp/article/view/196305