Inam, A. ., Sadiq, N., Niazi, S. ., Naheed, R. ., Asfandyar, A. ., & Qadir, F. . (2021). The Physiologic and biochemical Effects of Vitamin C in Patients with Chronic Obstructive Pulmonary Disease: A Systematic Review. Pakistan Journal of Chest Medicine, 27(4), 364–372. Retrieved from https://www.pjcm.net/index.php/pjcm/article/view/605