Ebadi, A.G., S. Zare, M. Mahdavi, and M. Babaee. 2005. “Study and Measurement of Pb, Cd, Cr and Zn in Green Leaf of Tea Cultivated in Gillan Province of Iran”. Pakistan Journal of Nutrition 4 (4): 270-72. https://doi.org/10.3923/pjn.2005.270.272.