Yuan Wang, Fa, Chang Shui Zhang, and Xiao Feng Xu. “Risk Assessment of Heavy Metal Contamination in Fresh Vegetables from Markets in Luoyang City, China”. Asian Journal of Chemistry 24, no. 2 (November 3, 2011): 657–662. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/8637.