Neves, B. C. das, Bacilio, M. L., Berrueta, L., Salmen, S., Peterson, D. L., Donis, J. H., Nuñez, T. J., & Davila, D. F. (2013). Muscarinic antibodies and heart rate responses to dynamic exercise and to the Valsalva maneuver in chronic chagasic patients . Revista Do Instituto De Medicina Tropical De São Paulo, 55(1), 31-37. https://revistas.usp.br/rimtsp/article/view/53535