Navarro, I. T., Vidotto, O., Tudury, E. A., Vianna, C. C., & Freire, R. L. (1992). Antibodies prevalence against Toxoplasma gondii in dogs assisted at the Veterinary Hospital of the State University of Londrina (Paraná, Brazil). Semina: Ciências Agrárias, 13(1), 66–69. https://doi.org/10.5433/1679-0359.1992v13n1p66