F. Memon, N. T. Narejo, A. G. M. Vasandani, K. P. Kunbhar, S. Jalbani, and P. Khan , trans. 2016. “Determination of Lead in Human Calculi and Its Effects on Renal Function of Lead Occupational Workers”. Pakistan Journal of Analytical & Environmental Chemistry 17 (1): 72 – 76. https://doi.org/10.21743/pjaec/2016.06.011.