Kupriyanov, S. V., et al. “PHYSIOLOGICAL STUDIES ON THE CARDIOPULMONARY INDEX CHANGES IN ADAPTATION TO PROGRESSIVE PHYSICAL LOADS”. Journal of Advanced Research in Medical and Health Science (ISSN 2208-2425), vol. 9, no. 6, June 2023, pp. 14-20, https://doi.org/10.53555/nnmhs.v9i6.1714.