Saleem, H.; Amir, M. .; Gardezi, S. A. A. .; Amir, M. .; Zulqarnain; Saleem, H. . Effect of Long-Term Azithromycin in Reducing Acute Exacerbation of Chronic    Obstructive Pulmonary Disease. Pak Armed Forces Med J 2024, 74 (5), 1232-1235. https://doi.org/10.51253/pafmj.v74i5.6758.