EL-SHEIKH R, HASSAN WS, IBRAHIM SH, YOUSSEF AM, GOUDA AA. GREEN VORTEX-ASSISTED IONIC LIQUID-BASED DISPERSIVE LIQUID-LIQUID MICROEXTRACTION FOR ENRICHMENT AND DETERMINATION OF CADMIUM AND LEAD IN WATER, VEGETABLES AND TOBACCO SAMPLES. Int J App Pharm [Internet]. 2020 Sep. 7 [cited 2024 Nov. 22];12(5):103-10. Available from: https://journals.innovareacademics.in/index.php/ijap/article/view/38176