L. Nekoozad and  M. Salehi Barough and  B. Salmasian,  The Effect of X-Ray on Plasma and Erythrocyte Concentration of Zn and Cu in Radiology Staff of Tehran Oil Hospital.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2019, vol. 155(11). 480 - 484
    [viewed 22 January 2020]. Available from: https://publications.waset.org/pdf/10010920.