Ahmed, S. A. ., A.Ali, G. M., Sultan, S. M. and Hammed, A. E. . (2021) “Evaluation of serum level of trace elements (iron, zinc ) in patients with celiac disease (Review study)”, NTU Journal of Pure Sciences, 1(1), pp. 27–37. doi: 10.56286/ntujps.v1i1.132.