J. Sierra-Johnson, A. Olivera-Mar, V. M. Monteón-Padilla, P. A. Reyes, e M. Vallejo, “ Epidemiological and clinical outlook of chronic Chagas’ heart disease in Mexico ”, Rev. saúde pública, vol. 39, nº 5, p. 754–760, out. 2005, doi: 10.1590/S0034-89102005000500009.