Heinemann, M.B. et al. 2002. Seroprevalence of equine infection anemia, equine viral arteritis and equine viral abortion in Uruará municipality, Pará state, Brazil. Brazilian Journal of Veterinary Research and Animal Science. 39, 1 (Jan. 2002), 50–53. DOI:https://doi.org/10.1590/S1413-95962002000100009.