7Kim K C,Park Y B,Lee M J.Levels of heavy metals in candy packages and candies likely to be consumed by small children[J].Food Research International,2008(48):411-418.
8Bradley E L,Castle L,Dines T J.Test method for measuring non-visible set-off from inks and lacquers on the food contact surface of printed packaging materials[J].Food Additives and Contaminants,2005,22(5):490-502.
9Gonzalez S E,Gonzalez R V,Lopezsuarez C.Migration of Lead and cadmium from ceramic materials used in food preparation[J].Bulletin of Environmental Contamination and Toxicology,2000,65(5):598-603.
10Jarup L.Hazards of heavy metal contamination[J].British Medical Bulletin,2003,68:167-182.