Of course I assume that your point is to remind all of us to sure that chelation is done properly, the same as we should all do with any therapy, and not an indictment of the value of chelation itself simply because it is widely viewed to be a very effective, albeit alternative, or non-mainstream, procedure.
It occurs to me that if we listed daily all the deaths due to doctor errors using mainstream approved therapies, we would have several hundred new pages each day and several new forums.