For citations:

Venevtseva Yu.L., Melnikov A.H., Nesterova S.A. On the issue of functional reserves of the sports heart: a case report. Russian Journal of Cardiology. 2025;30(13S):6692. (In Russ.) https://doi.org/10.15829/1560-4071-2025-6692. EDN: IQLZRE