Ilić D, Tomić D, Djurdjević J, Obradović S. Validity and reliability of the A-test in assessing the functional capacity of patients with heart failure. Vojnosanit Pregl [Internet]. 2025 Dec. 26 [cited 2026 Jul. 12];82(12). Available from: https://asistent.ceon.rs/index.php/vsp/article/view/59144