Shakil, Mohammad Shahjahan Siddike, Rowshne Jahan, Dr Md Khairul Anam, Tasnim Nafisa, Mohammad Ezazul Karim, Md Mahabubur Rahman, Muhammad Humayoun Kabir, and Amit Chatterjee. 2023. “Risk Factors for Multidrug Resistant Organisms in Exacerbation of COPD”. Chest &Amp; Heart Journal 45 (1):40-46. https://banglajol.info/index.php/CHJ/article/view/64742.