Mahdi, Elham Abed. “Comparison Between Zinc, Copper and Iron Levels in Children With Beta Thalassemia Major And Healthy Individuals in Najaf City”. Al-Qadisiyah Journal of Pure Science 19, no. 4 (August 1, 2017): 50-60. Accessed May 2, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/286.