Immunoblot assay using excreted-secreted antigens of trypanosoma cruzi in serodiagnosis of congenital, acute, and chronic chagas'disease - Umezawa, Eufrosina Setsu; Nascimento, M S; Kesper Junior, N; Coura, J R; Pereira, J B; Junqueira, A C; Camargo, Mario Endsfeldz (Journal of Clinical Microbiology, 1996)