4Caldas E D,Machado L L.Cadmium,mercury and lead in medicinal herbs in Brazil[J].Food and Chemical Toxicology,2004,42:599-603.
5Lee Donghun,Lee K wang-Geun.Mercury and methylmercury in Korean herbal medicines and functional health foods[J].Food Additives&Contaminants:Part B,2013,6(4):279-284.
6Chang-Seob Seo,Dae-Sun Huang,Jun-Kyoung Lee,et al.Concentration of Heavy Matals,Residual Pesticides and Sulfur Dioxide before/after a Decotion[J].J Korean Oriental Med,2009,30(4):108-117.
