VALLE, Paulo Renato, et al. “ Arbitrarily Primed PCR Fingerprinting of RNA and DNA in Entamoeba Histolytica ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 42, no. 5, Oct. 2000, pp. 249-53, https://revistas.usp.br/rimtsp/article/view/30451.