Muhammad, Parvez, Miraj Ahmad, Shama Iqbal, Marifat Shah, Seher Obaid, and Shamaila Wadud. “The Biochemical and Physiologic Effect of Zinc and Vitamin A Supplementation to Increase Cellular Immune Response of Pulmonary Tuberculosis Patients: A Systematic Review”. Pakistan Journal of Chest Medicine 28, no. 2 (June 2, 2022): 255–262. Accessed June 9, 2026. https://pjcm.net/index.php/pjcm/article/view/803.