CHAUDHRY, Hina et al. Detection of Zinc in Nail Samples of Iron Welders. Pakistan Journal of Analytical & Environmental Chemistry, [S.l.], v. 18, n. 1, p. 64-68, june 2017. ISSN 2221-5255. Available at: <https://pjaec.pk/index.php/pjaec/article/view/299>. Date accessed: 04 mar. 2024. doi: http://dx.doi.org/10.21743/pjaec/2017.06.06.