Kawazoe, U., Dias, L.C. de S. and Piza, J. de T. (1978) “ Natural infection of small mammals with Schistosoma mansoni, at the Americana Reservoir (S. Paulo, Brazil) ”, Revista de Saúde Pública, 12(2), pp. 200–208. doi:10.1590/S0034-89101978000200012.