Costa, Diego Figueiredo da, et al. “Serological Study of the Leptospira Spp. Infection in Sheep and Goats Slaughtered in the State of Paraíba, Semiarid of Northeastern Brazil”. Semina: Ciências Agrárias, vol. 37, no. 2, Apr. 2016, pp. 819-28, doi:10.5433/1679-0359.2016v37n2p819.