title: Formation and detection of superoxide ions in biological systems. Their involvement in the production of more reactive radicals.
mesh_terms: D003300:Copper / Q000378:metabolism; D005609:Free Radicals; D010100:Oxygen / Q000378:metabolism*; D013482:Superoxide Dismutase / Q000378:metabolism; D013481:Superoxides / Q000378:metabolism*; D015032:Zinc / Q000378:metabolism
chemical_list: D005609:Free Radicals; D013481:Superoxides; D003300:Copper; D013482:Superoxide Dismutase; D015032:Zinc; D010100:Oxygen