NAREJO, N. T et al. Determination of Lead in Human Calculi and Its Effects on Renal Function of Lead Occupational Workers. Pakistan Journal of Analytical & Environmental Chemistry, [S.l.], v. 17, n. 1, p. 5, june 2016. ISSN 2221-5255. Available at: <http://pjaec.pk/index.php/pjaec/article/view/25>. Date accessed: 19 sep. 2021.