Chacin-Bonilla, Leonor, et al. “ A Seroepidemiological Study of Amebiasis in a Community of Zulia State, Venezuela ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 32, no. 6, Dec. 1990, pp. 467-73, https://revistas.usp.br/rimtsp/article/view/28780.