Mehdi, Wesen Adel, and Atheer Awad Mehde. 2014. “The Effect of Increased Levels of Lead in Serum on Several Antioxidants Parameters Assed Among Workers from a Large Private Electrical Generator Company”. European Journal of Chemistry 5 (3):526-28. https://doi.org/10.5155/eurjchem.5.3.526-528.1076.