FerricyanidesEthamsylateFerrocyanidesOxidation-ReductionSpectrophotometryPotassiumKineticsPotassium ChannelsElectron TransportNADH, NADPH OxidoreductasesPotassium Channel BlockersPotassium Channels, Inwardly RectifyingPotassium, DietaryPotassium Deficiency2,6-DichloroindophenolDehydroascorbic AcidPotassium Channels, Voltage-GatedPotassium CompoundsCytochrome Reductases