Dacal, Alfredo Raimundo Corrêa, et al. “ Susceptibility of Lymnaea (pseudosuccinea) Columella (Say, 1817) to Infection by Miracidia of Fasciola Hepatica (Linnaeus, 1758) ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 30, no. 5, Oct. 1988, pp. 361-9, https://revistas.usp.br/rimtsp/article/view/28610.