Grygus I, Grynova M, Gamma T, Hodlevskyi P, Zukow W. Physiological adaptations and functional changes in young soccer players’ organisms aged 11-14 years following a 12-week specialized training program: a sports medicine perspective. Med. perspekt. [Internet]. 2025Jun.27 [cited 2025Dec.5];30(2):180-9. Available from: https://journals.uran.ua/index.php/2307-0404/article/view/333676