Saira Aslam, Ahmad Farzad Qureshi, Nadia Haq, Kanwal Khalid, Muhammad Amjad Bari, Kalsoom Akhter. 2025. “Structural Changes in Alveolar Walls in Chronic Smokers and Serum Surfactant Protein A Levels”. International Journal of Pharmacy Research & Technology (IJPRT) 15 (2):2167-73. https://ijprt.org/index.php/pub/article/view/1027.