K. D. Babov, S. G. Gushcha, I. O. Voloshenyuk, B. A. Nasibullin, N. S. Badiuk, and I. B. Zabolotna, “Assessment of biological activity of natural iron-containing mineral waters at their internal application”, J Educ Health Sport, vol. 10, no. 6, pp. 364–372, Jun. 2020.