8Larsjarup. Hazards of heavy metal contamination, British[J]. Medical Bulletin, 2003,68(1) 167-182.
9Hye-sook LHS, Leo JS,Chon HT,et al. Heavy metal contamina- tion and health risk assessment in the vicinity of the abandoned Songcheon Au-Ag mine in Korea[J]. J Geochem explor, 2008,96 (2):223-230.