| http://www.w3.org/ns/prov#value | - The electrically conductive lead 432 is constructed of either stainless steel, platinum, or MP35N. The first and third electrodes 416 and 420 are made of an implantable metal known in the art, such as platinum, titanium, titanium oxide, titanium nitride, carbon, tantalum pentoxide, iridium, or iridium oxide.
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