Ferreira, Maiara Sanitá Tafner, et al. “Neospora Spp. And Toxoplasma Gondii Infection in Sheep Flocks from Rio Grande Do Sul, Brazil”. Semina: Ciências Agrárias, vol. 37, no. 3, June 2016, pp. 1397-06, doi:10.5433/1679-0359.2016v37n3p1397.