Amanullah, Qadir, F., Anwar, Z. ., Anwar, T., Khan, Z. K., & Khan, S. (2021). Circulatory biochemical markers and Pulmonary Function in Patients with Idiopathic Pulmonary Fibrosis: A systematic review and Meta-Analysis. Pakistan Journal of Chest Medicine, 27(3), 209–221. Retrieved from https://pjcm.net/index.php/pjcm/article/view/632