Moraes, Aguinaldo Pereira de, Paulo Jorge Moffa, Eduardo A. Sosa, Giovanni M. V. Bellotti, Carlos A. Pastore, Eduardo V. Lima, William A. Chalela, César José Grupi, and Fúlvio José Carlos Pileggi. “Signal-Averaged Electrocardiogram in Chronic Chagas’ Heart Disease”. São Paulo Medical Journal 113, no. 2 (March 3, 1995): 851–857. Accessed March 15, 2025. https://periodicosapm.emnuvens.com.br/spmj/article/view/1670.