“THE CLINICAL, PARACLINICAL CHARACTERISTICS AND QUALITY OF LIFE OF PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) AT FRIENDSHIP HOSPITAL”. Vietnam Journal of Community Medicine 67, no. 6 (June 25, 2026). Accessed September 8, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/5449.