Brasil, A.W. de L. et al. 2018. Prevalence and risk factors to Leptospira sp. infection in dogs attended at veterinary clinics in João Pessoa, Paraíba State, Northeastern Brazil. Brazilian Journal of Veterinary Research and Animal Science. 55, 3 (Nov. 2018), e144154. DOI:https://doi.org/10.11606/issn.1678-4456.bjvras.2018.144154.