Mykhaliuk, Ye. L., V. V. Syvolap, Ye. Yu. Horokhovskyi, and M. S. Potapenko. 2021. “Effect of Year-Round Training on Parameters of Heart Rate Variability, Central Hemodynamics and Physical Working Capacity in Short-Distance Swimmers”. Zaporozhye Medical Journal 23 (3):343-47. https://doi.org/10.14739/2310-1210.2021.3.229452.