Петрухнов, Олександр. “Dynamics of Cardiovascular System and Adaptive Potential in Students With Chronic Bronchitis”. Slobozhanskyi Herald of Science and Sport, no. 4(66) (August 31, 2018): 67–71. Accessed November 25, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/142844.