Ahmad, M., U. Arshad, S. Fatima, A. Iqbal, and A. Salam. “Association Between Bronchiectasis Exacerbations and FEV1 Changes at A Tertiary Care Center: Bronchiectasis Exacerbations and FEV1 Changes”. Pakistan Journal of Health Sciences, vol. 6, no. 8, Aug. 2025, pp. 123-7, doi:10.54393/pjhs.v6i8.2386.