Mohamed, O. W. A., S. M. Bakhiet, H. K. F. Gerges, and A. A. Kordofani. “SERUM ZINC LEVELS IN SUDANESE PATIENTS WITH ACUTE LYMPHOCYTIC LEUKEMIA”. International Journal of Clinical and Biomedical Research, vol. 3, no. 1, Jan. 2017, pp. 18-20, https://www.ijcbr.com/index.php/ijcbr/article/view/132.