Fattakhova Yuliya Edgarovna, and Matrzayeva Shoira Gulimboyevna. “Markers Of Progression of Chronic Obstructive Pulmonary Disease”. Texas Journal of Medical Science 32 (May 18, 2024): 70–77. Accessed November 14, 2024. https://zienjournals.com/index.php/tjms/article/view/5290.