D. Sudeena, S.B. Lal, and Kattamuri. Ramesh Kumar. “Profile of Bacterial Culture and Sensitivity from the Sputum of Chronic Obstructive Pulmonary Patients With Acute Exacerbations”. Asian Pacific Journal of Health Sciences 4, no. 1 (March 30, 2017): 173–182. Accessed December 26, 2024. https://apjhs.com/index.php/apjhs/article/view/194.