Effect of Wastewater Irrigation on Trace Metal Accumulation in Spinach (Spinacia oleracea L.) andHuman Health Risk. Pak. J. Anal. Environ. Chem. [Internet]. 2020 Jun. 28 [cited 2025 Jul. 3];21(1):92 – 101. Available from: http://pjaec.pk/index.php/pjaec/article/view/125