HUSAIN JANGER, M.; ABDULHADE ALSAFAR, H. Study of some biochemical variables in the blood serum of workers in the service sector exposed to lead. Journal of Education and Science (JES), [S. l.], v. 22, n. 1, p. 17–31, 2009. DOI: 10.33899/edusj.2009.57415. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23972. Acesso em: 6 aug. 2025.