Salnykova S, Furman Y, Sulyma A, Hruzevych I, Gavrylova N, Onyschuk V, Brezdeniuk O. Peculiarities of aqua fitness exercises influence on the physical preparedness of women 30-49 years old using endogenous-hypoxic breathing method. Pedagogics, psychology, medical-biological problems of physical training and sports. 2018;22(4):210-5. https://doi.org/10.15561/18189172.2018.0407