References

Bierkens, J. (2000). Application and Pitfalls of Stress–proteins in Biomonitoring, Toxicology, 153 (61-72). Retrieved August 2, 2004, from Science Direct database <http://www.sciencedirect.com/>.

Lenntech Water treatment & air purification Holding B.V. (2004). Cadmium. Retrieved August 3, 2004, from http://www.lenntech.com/Periodic-chart-elements/Cd-en.htm

Bierkens, J. (2000). Application and Pitfalls of Stress–proteins in Biomonitoring, Toxicology, 153 (61-72). Retrieved August 2, 2004, from Science Direct database <http://www.sciencedirect.com/>.