Freitas, José Rabelo de, Maria Beatriz Boschi, and Mairy Barbosa Loureiro dos Santos. 1985. “ Susceptibility of Biomphalaria Tenagophila ‘hybrids’ to the Strain LE (BH) of Schistosoma Mansoni ”. Revista Do Instituto De Medicina Tropical De São Paulo 27 (1): 6-12. https://revistas.usp.br/rimtsp/article/view/87347.