Zanotti, E.M., Magalhães, L.A. and Piedrabuena, A.E. (1982) “ Localization of Schistosoma mansoni in the portal system of Mus musculus infected experimentally by a single sex of the trematode ”, Revista de Saúde Pública, 16(4), pp. 220–232. doi:10.1590/S0034-89101982000400003.