Sobrinho, Ludmila Silva Vicente, et al. “Serofrequency of Feline Immunodeficiency Virus and Feline Leukemia Virus in Cats of Araçatuba, São Paulo”. Brazilian Journal of Veterinary Research and Animal Science, vol. 48, no. 5, Oct. 2011, pp. 378-83, https://doi.org/10.11606/S1413-95962011000500004.