FREITAS, Erlane Chaves, et al. “ PREVALENCE OF CHAGAS DISEASE IN A RURAL AREA IN THE STATE OF CEARA, BRAZIL ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 57, no. 5, Oct. 2015, pp. 431-3, https://revistas.usp.br/rimtsp/article/view/112731.