Anaplasma spp, Babesia canis, Bartonella henselae, Bartonella vinsonii subsp Berkhoffii, Borrelia burgdorferi, Dirofilaria immitis, and Ehrlichia canis seroprevalences in Brazilian dogs - Diniz, Pedro [UNESP]; Schwartz, D. S.; Machado, R. Z.; Bradley, J. M.; Hegarty, B. C.; Breitschwerdt, E. B. (Amer Coll Veterinary Internal Medicine, 2006)