Jorge, J. J.; Ferreira, F.; Hagiwara, M. K. Risk Factors for Feline Leukemia Virus (FeLV) Infection in Cats in São Paulo, Brazil. Braz. J. Vet. Res. Anim. Sci. 2011, 48 (5), 392-398. https://doi.org/10.11606/S1413-95962011000500006.