Detection of hemoplasma and Bartonella species and co-infection with retroviruses in cats subjected to a spaying/neutering program in Jaboticabal, SP, Brazil - De Bortoli, CP; André, MR; Seki, MC; Pinto, AA; Machado, SDET; Machado, RZ (Rev Bras Parasitol Vet, 2012)