Liquid VentilationFluorocarbonsPulmonary Gas ExchangeRespiration, ArtificialPulmonary VentilationMeconium Aspiration SyndromeRespiratory Distress Syndrome, AdultHigh-Frequency VentilationHigh-Frequency Jet VentilationLung ComplianceVentilationPositive-Pressure RespirationRespiratory MechanicsLungOleic AcidPulmonary CirculationOxygenLung InjuryBronchoalveolar LavageRespirationCarbon DioxideRespiratory Distress Syndrome, NewbornSwineChemical FractionationHemodynamicsIntermittent Positive-Pressure VentilationTidal VolumePulmonary SurfactantsHypothermia, InducedNoninvasive VentilationSheepVentilator WeaningChromatography, High Pressure LiquidVentilators, MechanicalVentilation-Perfusion RatioIonic Liquids