References:

 

The following websites were used as sources of facts, pictures and figures:

 

http://www.lef.org/prod_hp/prod00063.html

 

http://www.cc.nih.gov/ccc/supplements/vite.html

 

http://www.lef.org/prod_hp/prod00063.html

 

http://www.sciencedaily.com/releases/2002/06/020627004950.htm

 

http://ohioline.osu.edu/hyg-fact/5000/5554.html?

 

 

This website was written by Jennifer Moore, a second year chemistry student at the University of Bristol.