Shlyk, N. . (2021) “STANDRDS FOR VARIATION RANGE OF RR-INTERVALS AT REST AND IN ORTHOSTASIS IN TRAINING OF RACING SKIERS WITH DIFFERENT TYPES OF REGULATION”, Theory and Practice of Physical Culture, (12), pp. 27–29. Available at: http://tpfk.ru/index.php/TPPC/article/view/76 (Accessed: 22 November 2024).