Anum Wahid, Hafiz Muhammad Usman, Aiman Wahid, Maria Muddassir, Muddassir Ahmed, Faheem Hadi, and Tahir Maqbool. 2025. “Surfactant Protein-D, Fibrinogen, and Interleukin-6 Correlation With Clinical Outcomes in Patients With Chronic Obstructive Pulmonary Disease”. Pakistan Journal of Medical Research 64 (2):73-77. https://pjmr.org.pk/index.php/pjmr/article/view/1120.