Acute Lung InjuryLung DiseasesLungLung Diseases, InterstitialRespiratory Distress Syndrome, AdultLung InjuryLung Diseases, ObstructiveBronchoalveolar Lavage FluidLung NeoplasmsPulmonary FibrosisLung TransplantationPulmonary AlveoliPulmonary EdemaRespiration, ArtificialPneumoniaRespiratory Function TestsCarcinoma, Non-Small-Cell LungExtravascular Lung WaterCystic FibrosisLung Volume MeasurementsPulmonary Gas ExchangeVentilator-Induced Lung InjuryBronchoalveolar LavageFarmer's LungTidal VolumeRespiratory MucosaHyperoxiaMacrophages, AlveolarNeutrophilsAlveolitis, Extrinsic AllergicPositive-Pressure RespirationPulmonary Disease, Chronic ObstructiveIdiopathic Pulmonary FibrosisBlood-Air BarrierTotal Lung CapacityMice, Inbred C57BLSmoke Inhalation InjuryPulmonary EmphysemaLipopolysaccharidesPulmonary SurfactantsVital CapacityForced Expiratory VolumeRespiratory MechanicsDisease Models, AnimalAcute DiseaseSpirometryAdministration, InhalationCapillary PermeabilityRadiography, ThoracicBronchopulmonary DysplasiaPulmonary CirculationTomography, X-Ray ComputedRespiratory Distress Syndrome, NewbornNeutrophil InfiltrationBronchiPeroxidaseChronic DiseaseBronchiectasisOxygenBlood Gas AnalysisInflammationBleomycinLiquid VentilationSmokingPulmonary Diffusing CapacityLung ComplianceSepsisEpithelial CellsSeverity of Illness IndexScleroderma, SystemicDermatomyositisCytokinesChemokine CXCL2Pulmonary Surfactant-Associated Protein BHydrochloric AcidRespiratory InsufficiencyRespiratory System AgentsPulmonary Surfactant-Associated Protein CInfant, NewbornVentilators, MechanicalTreatment OutcomeBronchoscopyBiological MarkersRetrospective StudiesMice, KnockoutProne PositionInfant, Premature, DiseasesLung AbscessOxygen Inhalation TherapyLeukocyte ElastaseLung Diseases, FungalProspective StudiesInfant, PrematureUteroglobinAsthmaBronchiolitis ObliteransPneumonia, BacterialOleic AcidHypertension, PulmonaryRisk Factors