“FLAME-ATOMIC ABSORPTION SPECTRO­ PHO TOMETRIC DETERMIN A TION OF TRACE METALS IN URINE: Short Communication”, Pakistan Journal of Scientific & Industrial Research, vol. 45, no. 1, pp. 23–25, Feb. 2002, Accessed: Mar. 10, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1734