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. 2014 Oct 7;18(5):555. doi: 10.1186/s13054-014-0555-4

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© Dell'Anna et al.; licensee BioMed Central Ltd. 2014

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Summary of cellular and systemic effects of high oxygen (O ₂ ) concentrations. H₂O, water; H₂O₂, hydrogen peroxide; NO, nitric oxide; NOS, nitric oxide synthase; O₂ ^{• −}, superoxide ion; ^•OH, hydroxide ion; ONOO⁻, peroxynitrite ion.