Islam, Md Khairul, Fahima Sharmin Hossain, Mostofa Kamal Chowdhury, and Prodip Kumar Biswas. 2018. “Osteoporosis in Chronic Obstructive Pulmonary Disease (COPD) Patients”. Journal of Medicine 19 (2):114-18. https://doi.org/10.3329/jom.v19i2.37231.