Comparative Analysis of Heavy Metal Exposure and Liver Enzyme Levels in Hookah and Cigarette Smokers: Heavy Metal Exposure and Liver Enzyme Levels in Hookah and Cigarette Smokers. Academic Journal of International University of Erbil, [S. l.], v. 2, n. 04, p. 510–518, 2025. DOI: 10.63841/iue24510. Disponível em: https://ojs.cihanrtv.com/index.php/public/article/view/104.. Acesso em: 30 oct. 2025.