ZANELLA, Luiz Gonzaga Francisco de Assis Barros D'Elia et al. Clinical and epidemiological profile of patients in the chronic phase of Chagas disease treated at a reference center in Southeastern Brazil. rev.fac.med. [online]. 2020, vol.68, n.3, pp.391-398.  Epub Nov 23, 2020. ISSN 0120-0011.