Sousa, I.K.F. de, Silva, R.L.C., Sousa, R. dos S., Vieira, C.E.M., Melo, S. de, Quevedo, G.P., Von Laer, A.E., Lovato, L.T. and Tonin, A.A. 2020. Frequency of leptospirosis in horses in Manaus and metropolitan region in Amazonas State, Brazil. Brazilian Journal of Veterinary Research and Animal Science. 57, 4 (Dec. 2020), e172607. DOI:https://doi.org/10.11606/issn.1678-4456.bjvras.2020.172607.