1.
A. L. S, B. P. A study of clinical/biological markers of exacerbation/progression in a cohort of patients admitted with acute excerbation of COPD. Int J Adv Med [Internet]. 2018 Jan. 18 [cited 2025 Nov. 17];5(1):32-7. Available from: https://www.ijmedicine.com/index.php/ijam/article/view/885