Vasconcelos, Silvio Arruda, Ioshimiro Ohtsubo, Paulo Hideki Yasuda, Anibal Sant’anna Moretti, Fumio Honma Ito, Estevão de Camargo Passos, and José de Angelis Côrtes. “The Influence of Serum Concentration on the Sensitivity and Specificity of the Microscopic Aglutination Test, Using the L. Biflexa, Buenos Aires Strain, As Antigen for Diagnosing Swine Leptospirosis”. Brazilian Journal of Veterinary Research and Animal Science 27, no. 1 (June 1, 1990): 33-39. Accessed August 11, 2022. https://www.revistas.usp.br/bjvras/article/view/51834.