WASET
    M. A. Abou Donia and  A. A. K. Abou-Arab and  Nevin E. Sharaf and  A. K. Enab and  Sherif R. Mohamed,  Use of Hair as an Indicator of Environmental Lead Pollution: Changes after Twenty Years of Phasing Out Leaded Gasoline.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2014, vol. 93(9). 665 - 669
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/9999473.