Kanalev, K., Stoykov, K., & Angelova, P. (2025). LABORATORY INDICES OF THE CAPACITY OF THE BLOOD TO TRANSPORT OXYGEN AT NORMAL AND HIGH ALTITUDE IN ATHLETES AND PEOPLE WITH HIGH LEVEL PHYSICAL ACTIVITY. KNOWLEDGE - International Journal , 69(4), 783–787. Retrieved from https://ojs.ikm.mk/index.php/kij/article/view/7299