SAIRA ASLAM, AHMAD FARZAD QURESHI, NADIA HAQ, KANWAL KHALID, MUHAMMAD AMJAD BARI, KALSOOM AKHTER. Structural Changes in Alveolar Walls in Chronic Smokers and Serum Surfactant Protein A Levels . International Journal of Pharmacy Research & Technology (IJPRT), [S. l.], v. 15, n. 2, p. 2167–2173, 2025. Disponível em: https://ijprt.org/index.php/pub/article/view/1027. Acesso em: 26 sep. 2025.