Le TT, Nguyen TKQ, Chu TGT. EVALUATION OF THE PRACTICE BREATHING EXERCISES OF PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE. ctump [Internet]. 2023 Feb. 9 [cited 2025 Apr. 12];(55):8-13. Available from: https://tapchi.ctump.edu.vn/index.php/ctump/article/view/339