Interaction between primary and secondary sporocysts of Schistosoma mansoni and the internal defence system of Biomphalaria resistant and susceptible to the parasite Ana Carolina Alves de Mattos; Raquel Lopes Martins-Souza; John Robert Kusel; Paulo Marcos Zech Coelho PAGE: 424-432 | DOI: 10.1590/S0074-02762011000400007

Impact of the age of Biomphalaria alexandrina snails on Schistosoma mansoni transmission: modulation of the genetic outcome and the internal defence system of the snail Iman Fathy Abou-El-Naga, Hayam Abd El-Monem Sadaka, Eglal Ibrahim Amer, Iman Hassan Diab, Safaa Ibrahim Abd El-Halim Khedr PAGE: 585-595 | DOI: 10.1590/0074-02760150016