Milward-de-Andrade R, Carvalho O dos S, Guimarães CT. Some bioecological data regarding Pomacea haustrum (Reeve, 1856) predator-competitor of intermediate hosts of Schistosoma mansoni Sambon, 1907 . Rev. saúde pública. 1978;12(1):78-89. doi:10.1590/S0034-89101978000100009