De Almeida, M. A.; Ferreira, M. B.; Planchart, S.; Terashima, A.; Maco, V.; Marcos, L.; Gotuzzo, E.; Sánchez, E.; Náquira, C.; Scorza, J. V.; Incani, R. N. Preliminary Antigenic Characterisation of an Adult Worm Vomit Preparation of Fasciola Hepatica by Infected Human Sera . Rev. Inst. Med. Trop. São Paulo 2007, 49 (1), 31-35.