Viegas, Edgard de Aquino, Roberto Mitio Yanaguita, Simone Assis Rosas de Aquino Viegas, Luzinete Alves Silva, and Silvio Arruda Vasconcellos. 1994. “Use of Leptospira Biflexa Strains in the Seroagglutination Test for Diagnosis of Leptospirosis in Sheeps and Goats”. Brazilian Journal of Veterinary Research and Animal Science 31 (1):25-30. https://doi.org/10.11606/issn.1678-4456.bjvras.1994.52045.