Cortez, Adriana, et al. “Canine Leptospirosis in Asymptomatic Populations from the Southwest Region of São Paulo State, Brazil”. Brazilian Journal of Veterinary Research and Animal Science, vol. 57, no. 4, Dec. 2020, p. e167893, https://doi.org/10.11606/issn.1678-4456.bjvras.2020.167893.