Serological evidence of exposure to tick-borne agents in opossums (Didelphis spp.) in the state of São Paulo, Brazil - Melo, Andréia Lima Tomé; Aguiar, Daniel Moura de; Spolidorio, Mariana Granziera; Yoshinari, Natalino Hajime; Matushima, Eliana Reiko; Labruna, Marcelo Bahia; Horta, Maurício Cláudio (Revista Brasileira de Parasitologia Veterinária, 2016)