Saifullah, S., Ihsan, A., Shah, S. H. A., Iftikhar, A., Khan, M. H. A., & 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, 6(2). https://doi.org/10.54393/pjhs.v6i2.2817