The impact of diaphragmatic breathing exercises combined with facial cold stimulation on dyspnea perception, respiratory rate, and peak expiratory flow in COPD patients. Internat.Jrnl. [Internet]. 2025 Jul. 16 [cited 2026 Oct. 17];8(5):574-81. Available from: https://e-jurnal.iphorr.com/index.php/minh/article/view/725