Detection of Zinc in Nail Samples of Iron Welders. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 18, n. 1, p. 64 – 68, 2017. DOI: 10.21743/pjaec/2017.06.06. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/224. Acesso em: 12 jul. 2025.