Girotto, K. G., Grama, D. F., Cunha, M. J. R. da, Faria, E. S. M., Limongi, J. E., Pinto, R. de M. C., & Cury, M. C. (2013). Prevalence and risk factors for intestinal protozoa infection in elderly residents at Long Term Residency Institutions in Southeastern Brazil . Revista Do Instituto De Medicina Tropical De São Paulo, 55(1), 19-24. https://www.revistas.usp.br/rimtsp/article/view/53533