HyperoxiaOxygenOxygen ConsumptionReactive Oxygen SpeciesOxygen Inhalation TherapyHyperbaric OxygenationAnoxiaPartial PressureSinglet OxygenPulmonary AlveoliLungAnimals, NewbornCarbon DioxideOxidative StressIon-Selective ElectrodesCarotid BodyBlood Gas AnalysisRetinal VesselsChemoreceptor CellsBronchopulmonary DysplasiaOxygen IsotopesRetinopathy of PrematurityLung InjurySuperoxide DismutaseRats, Sprague-DawleyRespirationOximetryAntioxidantsHydrogen PeroxideAirPneumocytesOxidation-ReductionMicroscopy, Electrochemical, ScanningCatalaseRespiratory MechanicsTime FactorsOxyhemoglobinsHypercapniaPulmonary VentilationCell HypoxiaDisease Models, AnimalMitochondriaRetinal NeovascularizationAerobiosisFree RadicalsMice, Inbred C57BLPulmonary Surfactant-Associated Protein C