แสนศรีมหาชัย ว.; วรรธกะวิกรานต์ เ. Blood Trace Element Levels in Tobacco Smokers. Journal of Health Science of Thailand, [S. l.], v. 15, n. 6, p. 961–68, 2021. Disponível em: https://thaidj.org/index.php/JHS/article/view/10775. Acesso em: 5 dec. 2025.