Performance of an indigenous b-mercaptoethanolmodified antigen in comparison with a commercial reference in direct agglutination test for detection of canine visceral leishmaniasis - Semião-Santos, Saul; Barral Veloso, Laura; Paes de Andrade, Paulo; Almeida de Melo, Márcia; Martins, Luís; Marinho, Artur; Afonso de Almeida, José; Campino, Lénea; Harith, Abdallah (2014)