Jorge, J.J., Ferreira, F. and Hagiwara, M.K. 2011. Risk factors for feline leukemia virus (FeLV) infection in cats in São Paulo, Brazil. Brazilian Journal of Veterinary Research and Animal Science. 48, 5 (Oct. 2011), 392-398. DOI:https://doi.org/10.11606/S1413-95962011000500006.