Iron-Sulfur ProteinsElectron Transport Complex IIIIronSulfurGlutaredoxinsIron, DietaryFerritinsIron OverloadIron Chelating AgentsSialomucinsSulfur CompoundsOxidation-ReductionElectron Spin Resonance SpectroscopyOxidoreductasesFerric CompoundsBiological AvailabilityAnemia, Iron-DeficiencyMolecular Sequence DataHemochromatosisCation Transport ProteinsSulfur DioxideSulfur IsotopesMitochondriaAmino Acid SequenceAmino Acids, SulfurMucinsHistocytochemistryIron Isotopes