Aca, I. da S., Kobayashi, S., Carvalho Jr., L. B., Tateno, S., & Takeuchi, T. (1994). Prevalence and pathogenicity of Entamoeba histolytica in three different regions of Pernambuco, Northeast Brazil . Revista Do Instituto De Medicina Tropical De São Paulo, 36(6), 519-524. https://revistas.usp.br/rimtsp/article/view/29213