Molecular and serological detection of Leishmania spp. in horses from an endemic area for canine visceral leishmaniasis in southeastern Brazil oleh Julia C. Benassi, Graziella U. Benvenga, Helena L. Ferreira, Rodrigo M. Soares, Diogo T. Silva, Vanessa F. Pereira, Vera Letticie A. Ruiz, Trícia Maria F. de S. Oliveira