AL-SAEDI, J. K.; HASAN, N. M.; ABDALHASAN, A. A. Determined the Concentration Elements to Human Nail Using X- Ray Fluorescence Technique. Ibn AL- Haitham Journal For Pure and Applied Sciences, [S. l.], v. 33, n. 3, p. 19–26, 2020. DOI: 10.30526/33.3.2470. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2470. Acesso em: 20 may. 2022.