AL-SAEDI, Jamal K.; HASAN, Nada M.; ABDALHASAN, Ali A.. Determined the Concentration Elements to Human Nail Using X- Ray Fluorescence Technique. Ibn AL- Haitham Journal For Pure and Applied Science, [S.l.], v. 33, n. 3, p. 19-26, july 2020. ISSN 2521-3407. Available at: <https://jih.uobaghdad.edu.iq/index.php/j/article/view/2470>. Date accessed: 25 july 2021.