For citations:

Zhukova A.A., Budko L.A., Sevostyanov P.A. THE COMPARATIVE ASSESSMENT OF VEGETATIVE REGULATION OF HEART RHYTHM IN SWIMMERS AND GYMNASTS. Health and Ecology Issues. 2014;(2):100-104. (In Russ.) https://doi.org/10.51523/2708-6011.2014-11-2-21