Bestanchuk, E., A. Gozhenko, O. Kashchenko, T. Narbutova, O. Berezovskyi, and Zаkharova V. 2021. “Cardiotoxic Effect of Bleomycin With a Single Administration in the Experiment”. Journal of Education, Health and Sport 11 (10):242-51. https://doi.org/10.12775/JEHS.2021.11.10.022.