Alam N, Yuwen X, Xinghua T, Huanhuan L, Yun X, Jiajia Q, Uddin MJ. Impact of Comorbidities on Chronic Obstructive Pulmonary Disease Patients. Chatt Maa Shi Hosp Med Coll J [Internet]. 2019 Jul. 10 [cited 2024 Apr. 20];18(1):8-9. Available from: https://banglajol.info/index.php/CMOSHMCJ/article/view/42126