Dai, Guang-ming, and Hong Wang. “Effect of Inhalation Drug Therapy on Inflammatory Factors and Quality of Life on Stable Chronic Obstructive Pulmonary Disease: Treatment of Stable Chronic Obstructive Pulmonary Disease”. Pakistan Journal of Medical Sciences 40, no. 7 (June 28, 2024). Accessed June 17, 2025. https://www.pjms.org.pk/index.php/pjms/article/view/7106.