For citations:
Garganeeva N.P., Taminova I.F., Vorozhtsova I.N. ELECTROCARDIOGRAPHIC CONTROL FOR CARDIOVASCULAR SYSTEM IN SPORTSMEN AT PRECOMPETITION TRAINING. Russian Journal of Cardiology. 2017;(12):36-40. (In Russ.) https://doi.org/10.15829/1560-4071-2017-12-36-40