Brandão GS, Sampaio AAC, Brandão GS, Urbano JJ, Fonsêca NT, Apostólico N, et al. Analysis of heart rate variability in the measurement of the activity of the autonomic nervous system: technical note. mtprehabjournal [Internet]. 2014 Oct. 28 [cited 2024 Nov. 21];:1-9. Available from: https://mtprehabjournal.com/revista/article/view/1183