VOVKANYCH, L.; BORETSKY, Y.; SOKOLOVSKY, V.; BERHTRAUM, D.; KRAS, S. Validation of the Software-Hardware Complex “Rytm” for Measurement of the RR Intervals and Heart Rate Variability Analysis During Exercise and Recovery Period. Physical Education Theory and Methodology, [S. l.], v. 21, n. 1, p. 61–68, 2021. DOI: 10.17309/tmfv.2021.1.08. Disponível em: https://tmfv.com.ua/journal/article/view/1461. Acesso em: 14 jul. 2026.