Husain Janger M, Abdulhade Alsafar H. Study of some biochemical variables in the blood serum of workers in the service sector exposed to lead. EDUSJ [Internet]. 2009 Mar. 1 [cited 2025 Aug. 6];22(1):17-31. Available from: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23972