FUNCTIONAL CHARACTERISTICS OF THE CARDIORESPIRATORY SYSTEM AND SOMATIC DEVELOPMENT OF YOUNG ATHLETES UNDER PHYSICAL LOAD. Wor.Bul.Pub.Helt. [Internet]. 2026 Mar. 12 [cited 2026 Apr. 18];56:21-3. Available from: https://www.scholarexpress.net/index.php/wbph/article/view/5932