Phan, Thi Tam, and Thi Thu Trieu Nguyen. “RESEARCH FACTORS RELATED TO TECHNIQUES FOR USING OF INHALED DRUGS OF PATIENTS TREATING CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) AT C HOSPITAL”. Journal of Clinical Medicine Hue Central Hospital 12, no. 63 (January 11, 2025). Accessed November 15, 2026. https://jcmhch.com.vn/index.php/home/article/view/797.