Wadood, S. A., M. K. Sharif, M. N. Ashraf, R. Ejaz, G. Kosar, M. Azeem, and G. Murtaza. “Estimation of Heavy Metals and Associated Health Risk in Selected Vegetables Grown in Peri-Urban Areas of Multan and Rawalpindi, Pakistan: Estimation of Heavy Metals in Vegetables”. Biological Sciences - PJSIR, vol. 64, no. 1, Mar. 2021, pp. 55-63, doi:10.52763/PJSIR.BIOL.SCI.64.1.2021.55.63.