Makarova, G. ., A. . Pogrebnoy, S. . Chernuha, and A. . Karpov. “Visceral Protein Pool in Highly Skilled Kayakers and Canoeists”. Theory and Practice of Physical Culture, no. 10, Dec. 2025, pp. 28-30, http://www.tpfk.ru/index.php/TPPC/article/view/1479.