Physiological Evaluation of the Cardiology System of Nonresident Students at Different Training PeriodsYana Mayorova, Viktor Glebov, Viktoriya Erofeeva, Sergey Yablochnikov and Bogdan LaverE3S Web Conf., 169 (2020) 04004DOI: https://doi.org/10.1051/e3sconf/202016904004