Carrijo, Kênia de Fátima, et al. “Leptospira Spp. in Kidneys of Pigs Slaughtered under Sanitary Inspection: Potential Risk of Transmission of Workers at Slaughterhouses”. Brazilian Journal of Veterinary Medicine, vol. 34, no. 4, Dec. 2012, pp. 279-82, https://bjvm.org.br/BJVM/article/view/743.