1.
Sharmin R, Rahman MM, Akter S. Early Diagnosis of Chronic Obstructive Pulmonary Disease in Smokers Using Spirometry. Comm. Based Med J [Internet]. 2024 Jan. 24 [cited 2025 Sep. 18];13(1):53-9. Available from: https://www.banglajol.info/index.php/CBMJ/article/view/71079