Ahmad, Muhammad, Umair Arshad, Saba Fatima, Arslan Iqbal, and Abdul Salam. “Association Between Bronchiectasis Exacerbations and FEV1 Changes at A Tertiary Care Center: Bronchiectasis Exacerbations and FEV1 Changes”. Pakistan Journal of Health Sciences 6, no. 8 (August 31, 2025): 123–127. Accessed November 21, 2025. https://www.thejas.com.pk/index.php/pjhs/article/view/2386.