here are a couple that i have come across

www.tldp.com/issue/175-6/DM.html

www.dmsa-chelation.info/

I dont know what or who to believe any more , all I know is that I can not make too many more mistakes to remove the rest of the mecury in my body , what I know for sure is how I feel with different chelators , I am just another innocent victim of this whole amalgam mercury mess ,and just trying to get through this without doing more damage to my body