AltitudeOxygenMountaineeringAltitude SicknessAcclimatizationAnoxiaOxygen ConsumptionTibetAthletic PerformanceBoliviaPartial PressureAtmospheric PressureIon-Selective ElectrodesConfined SpacesAdaptation, PhysiologicalReactive Oxygen SpeciesCell HypoxiaNepalCarbon DioxideRespirationAircraftSoccerCarbonic Anhydrase InhibitorsHyperoxiaHypoxia-Inducible Factor 1, alpha SubunitAcetazolamideHemoglobinsPulmonary EdemaBlood Gas AnalysisAtmospherePhysical EnduranceMagnetic Resonance ImagingAnaerobiosisAerobiosisHypoxia-Inducible Factor 1Time FactorsExerciseEtanidazoleSportsProcollagen-Proline DioxygenaseHeart RateOxygen Inhalation TherapyCardiac OutputBrainSinglet OxygenBrain MappingOxidation-ReductionGillsModels, BiologicalAtmosphere Exposure ChambersImage Processing, Computer-AssistedCerebrovascular CirculationBlood PressureMuscle, SkeletalOceans and SeasOxidative StressWoodEnergy MetabolismMitochondriaMicroelectrodesCells, CulturedRestRetinal VesselsBasic Helix-Loop-Helix Transcription FactorsRats, Sprague-DawleyTemperatureOximetryRNA, MessengerHydrogen-Ion ConcentrationOxygen IsotopesMicrocirculationBiological EvolutionCell SurvivalAerospace MedicineSignal TransductionGene Expression Regulation, BacterialCell Culture TechniquesRetinaBacterial ProteinsDecompressionLightMolecular Sequence DataNitric OxideGene Expression RegulationHyperbaric OxygenationImage Interpretation, Computer-AssistedPeruHematocritCell Line, TumorVascular Endothelial Growth Factor AIndians, South AmericanOxyhemoglobinsPhysical ExertionTranscription FactorsHydrogen PeroxideNeovascularization, PhysiologicImmunohistochemistryMutationCulture MediaRunning