Hashimoto, V.Y. et al. 2008. Association between microscopic kidney’s lesions and presence of antibodies against Leptospira spp in apparently healthy swine, originated from slaughterhouse in northern Paraná state. Semina: Ciências Agrárias. 29, 4 (Aug. 2008), 875–880. DOI:https://doi.org/10.5433/1679-0359.2008v29n4p875.