[IEEE 2011 5th International Conference on Bioinformatics and Biomedical Engineering (iCBBE) - Wuhan, China (2011.05.10-2011.05.12)] 2011 5th International Conference on Bioinformatics and Biomedical Engineering - Total Mercury and Methyl Mercury Concentration of Hair in the Residents in Di'er Songhua River Region, Northeast China: Influencing Factors and Health Risk