article 2019 8 pages Changes in biochemical parameters and mitochondrial factor in blood of amateur athletes under influence of marathon running Y.D. Vinnіchuk, A.O. Polischchuk, Y.V. Goshovska, O.S. Sokolova, V.F. Sagach, S.B. Drozdovska JournalФізіол. журн.Populationamateur athletes