Dias Ferreira, Milene, et al. “Parasites and Prevalent Bacteria in Monte Alegre Stream, Located at the Area of Influence of the Sanitary Landfill of Ribeirão Preto”. O Mundo Da Saúde, vol. 32, no. 3, July 2008, pp. 287-93, doi:10.15343/0104-7809.200832.3.3.