B. C. das Neves, “ Muscarinic antibodies and heart rate responses to dynamic exercise and to the Valsalva maneuver in chronic chagasic patients ”, Rev. Inst. Med. Trop. São Paulo, vol. 55, no. 1, pp. 31–37, Feb. 2013, Accessed: May 06, 2024. [Online]. Available: https://revistas.usp.br/rimtsp/article/view/53535