Islam, Md Khairul, Fahima Sharmin Hossain, Mostofa Kamal Chowdhury, and Prodip Kumar Biswas. “Osteoporosis in Chronic Obstructive Pulmonary Disease (COPD) Patients”. Journal of Medicine 19, no. 2 (July 10, 2018): 114–118. Accessed December 22, 2024. https://banglajol.info/index.php/JOM/article/view/37231.