Contreras, Maria del C., Hugo Schenone, Patricia Salinas, Lea Sandoval, Antonio Rojas, Fernando Villarroel, and Fresia Solis. 1996. “ Seroepidemiology of Human Toxoplasmosis in Chile ”. Revista Do Instituto De Medicina Tropical De São Paulo 38 (6): 431-35. https://www.revistas.usp.br/rimtsp/article/view/29415.