SIMBULAN, D. J. G. Psychophysiology of slow breathing exercises using heart rate variability measurements for stress reduction. The International Journal of Whole Person Care, [S. l.], v. 3, n. 2, 2016. DOI: 10.26443/ijwpc.v3i2.117. Disponível em: https://ijwpc.mcgill.ca/article/view/117. Acesso em: 23 apr. 2024.