OxygenHemoglobins, AbnormalOxygen ConsumptionAnoxiaParamphistomatidaeHyperoxiaPartial PressureHemoglobinsIon-Selective ElectrodesConfined SpacesAerobiosisHyperbaric OxygenationReactive Oxygen SpeciesOxyhemoglobinsDiphosphoglyceric AcidsCell HypoxiaPolycythemiaTibetOxygen Inhalation TherapyHemoglobin AOxidation-ReductionElectrophoresis, Cellulose AcetateCarbon DioxideHypoxia-Inducible Factor 1, alpha SubunitAnaerobiosisMagnetic Resonance ImagingMyoglobinAtmosphereHypoxia-Inducible Factor 1RespirationOxidative StressEtanidazoleHydrogen-Ion ConcentrationProcollagen-Proline DioxygenaseCarbon MonoxideTime FactorsAdaptation, PhysiologicalSinglet OxygenMolecular Sequence DataBrainBrain MappingGillsKineticsImage Processing, Computer-AssistedOceans and SeasWoodModels, BiologicalCerebrovascular CirculationMicroelectrodesMitochondriaRetinal VesselsAmino Acid SequenceBasic Helix-Loop-Helix Transcription FactorsCells, CulturedEnergy MetabolismOxygen Isotopes