ZHANG Wei, LIU Xue-liang, LUO Gui-fa, LIU Ya-rong, YUAN Lu, XIAO Rui-na, ZHANG Yao-yuan, LIU Hai-qing . Comparative study of total and soluble arsenic, mercury in the Tsothel and other precious Tibetan medicines[J]. Chinese Journal of Pharmaceutical Analysis, 2016 , 36(4) : 721 -726 . DOI: 10.16155/j.0254-1793.2016.04.24