ANDROSHCHUK, O. I.; ZAVHORODNIA, V. A. Correlation of vegatative tone indicator with Kerdo index and heart rate variability. Cherkasy University Bulletin: Biological Sciences Series, [S. l.], n. 1, p. 3–6, 2018. Disponível em: https://bio-ejournal.cdu.edu.ua/article/view/2791. Acesso em: 12 may. 2026.