Cao, Weidong, Yukui Rui, and Xuguang Li. “Determination of Forty-Six Elements in Different Organs of Orychophragmus Violaceus in Agricultural Farm”. Asian Journal of Chemistry 26, no. 4 (February 14, 2014): 1038–1040. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_5_20.