Javid waseem, Khawaja MA. CLINICAL PROFILE AND MICROBIOLOGICAL SPECTRUM IN ACUTE EXACERBATION OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE. Natl J Med Res [Internet]. 2019 Jun. 30 [cited 2024 Nov. 25];9(02):94-7. Available from: https://njmr.in/index.php/file/article/view/123