Martins, Nekita Évely Ximenes, et al. “Occurrence of Antibodies Anti Neospora Caninum in Lactating Cows from the Municipality of Araguaina, Tocantins State, Brazil”. Revista De Patologia Tropical Journal of Tropical Pathology, vol. 40, no. 3, Oct. 2011, pp. 231-8, doi:10.5216/rpt.v40i3.15973.