D. S. U. . Bacha, Dr. Hoor Qazi, Dr. Abdal Ahmad Khan, Dr. Umama Ihsan, and Dr. Ahmad Yaseen, “Clinical Profile and Outcomes of Hospitalized Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease (AECOPD): A Prospective Observational Study”, IRJCS, vol. 2, no. 1, Jun. 2024, doi: 10.62497/irjcs.91.