This formula is not exact: It assumes the current density is totally uniform in the conductor, which is not always true in practical situations. However, this formula still provides a good approximation for long thin conductors such as wires.
Deferasirox is used in the treatment of transfusional iron overload in people with thalassemia. Chelation therapy is used as a treatment for metal poisoning, including acute mercury, iron (including in cases of thalassemia), arsenic, lead, uranium, plutonium and other forms of toxic metal poisoning.
1 Chelation therapy, which enhances the elimination of metals (both toxic and essential) from the body, including: 2  DMPS, an oral medication for arsenic, cadmium, and mercury toxicity. 3  Succimer (DMSA), an oral medication for mild-to-moderate lead, arsenic and mercury toxicity.  Calcium-disodium EDTA for lead encephalopathy and lead poisoning.