Al-Hamish, M., موسى, Abdul Jabbar, R., ریاض, Al-Obaidi, S. and صالح 2007. Estimation of cadmium, zinc and copper in the blood of workers in the fertilizer industry. Journal of Education and Science (JES). 19, 1 (Jan. 2007), 42–50. DOI:https://doi.org/10.33899/edusj.2007.51016.