Dacal, A. R. C.; Costa, H. M. de A.; Leite, A. C. R. Susceptibility of Lymnaea (pseudosuccinea) Columella (Say, 1817) to Infection by Miracidia of Fasciola Hepatica (Linnaeus, 1758) . Rev. Inst. Med. Trop. São Paulo 1988, 30 (5), 361-369.