Wincker, P., C. Britto, J. B. Pereira, M. A. Cardoso, W. Oelemann, and C. M. Morel. 1994. Use of a simplified polymerase chain reaction procedure to detect Trypanosoma cruzi in blood samples from chronic chagasic patients in a rural endemic area. American Journal of Tropical Medicine and Hygiene 51(6):771–777.
Zarate-Blades, C. R., N. Blades, M. S. Nascimento, J. F. da Silveira, and E. S. Umezawa. 2007. Diagnostic performance of tests based on Trypanosoma cruzi excreted-secreted antigens in an endemic area for Chagas’ disease in Bolivia. Diagnostic Microbiology and Infectious Disease 57(2):229–232.