Ferreira, A. Walter, Zila R. Belem, M. Emilia G. Moura, and M. E. Camargo. 1991. “ Standardization of Serological Tests in Chagas’ Disease: Immunoenzimatic Test for Screening of Blood Bank Donnors ”. Revista Do Instituto De Medicina Tropical De São Paulo 33 (2): 123-28. https://revistas.usp.br/rimtsp/article/view/28803.