Khan, M. ., Shoukat, S. ., Hafeez, Z. ., Zamir, S. ., Khan, S. . and Durrani, M. . (2021) “Correlation between Serum 25-Hydroxyvitamin D Level and Hematological Profile in Cystic Fibrosis Patients”, Pakistan Journal of Chest Medicine, 27(4), pp. 329–337. Available at: https://pjcm.net/index.php/pjcm/article/view/774 (Accessed: 23August2026).