Inam, A. , Sadiq, N., Niazi, S. , Naheed, R. , Asfandyar, A. and 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 (Dec. 2021), 364–372.