title: Superoxide involvement in negative air ion effects.
mesh_terms: D000838:Anions; D001272:Atmosphere; D018407:Bacterial Physiological Phenomena; D002245:Carbon Dioxide; D010100:Oxygen; D013481:Superoxides
chemical_list: D000838:Anions; D013481:Superoxides; D002245:Carbon Dioxide; D010100:Oxygen