For citations:

Khaitin V.Yu., Matveev S.V., Grishin M.Yu. The level of serum creatine phosphokinase as a criterion of recovery in professional soccer players during the competitive period. Sports medicine: research and practice. 2018;8(4):22-27. (In Russ.) https://doi.org/10.17238/ISSN2223-2524.2018.4.22