Pechuk, E. D.; Krasnopolskaya, T. S.; Rudnytska, M. O. Wave Characteristics of the Cardiorespiratory System under Increasing of a Heart Rate. BTSNUKPhM 2020, No. 1-2, 71-74. https://doi.org/10.17721/1812-5409.2020/1-2.12.