Baksh, Sohel, Shahin Akhter, Obaidullah Ibne Ali, Momena Khatun Munna, Nihad Rownak, and Sakhawat Mahmud Khan. 2019. “Sympathetic Cardiovascular Function Status of Chronic Obstructive Pulmonary Disease (COPD)”. Bangladesh Medical Research Council Bulletin 45 (3):175-79. https://doi.org/10.3329/bmrcb.v45i3.44648.