Korableva, Y., V. Epishev, V. Bychkovskikh, K. Marchenko, and A. Ushakov. “EFFECT OF POSTULAR BALANCE ON CHANGE IN HEART RHYTHM AND CONDUCTIVITY IN SWIMMERS”. Human. Sport. Medicine, Vol. 19, no. S2, Mar. 2020, pp. 37-44, doi:10.14529/hsm19s205.