Saifullah, S., Ihsan, A., Shah, S. H. A., Iftikhar, A., Khan, M. H. A. and Pervez, N. (2025) “Role of Serum and Dietary Vitamins A and E in Pulmonary Function and Chronic Obstructive Pulmonary Disease: A Systematic Review: Role of Vitamins A and E in Pulmonary Function and Disease”, Pakistan Journal of Health Sciences. Pakistan, 6(2). doi: 10.54393/pjhs.v6i2.2817.