Respiratory SystemDiagnostic Techniques and ProceduresSensitivity and SpecificityLung ComplianceMolecular Diagnostic TechniquesRespiratory MechanicsRespiratory Physiological PhenomenaAirway ResistanceDiagnostic Techniques, RadioisotopeDiagnostic Techniques, OtologicalDiagnostic Techniques, SurgicalRespiratory System AbnormalitiesAzure StainsPolymerase Chain ReactionDiagnostic Techniques, UrologicalLung Volume MeasurementsDiagnostic Techniques, Obstetrical and GynecologicalDiagnostic Techniques, Respiratory SystemDiagnostic Tests, RoutineDiagnostic Techniques, Digestive SystemLungFunctional Residual CapacityTidal VolumeRespirationClinical Laboratory TechniquesReproducibility of ResultsRespiration, ArtificialAir SacsAir PressureOscillometryCytodiagnosisTomography, X-Ray ComputedRespiratory Function TestsDiagnostic Techniques, NeurologicalPositive-Pressure RespirationParasitologyPredictive Value of TestsPulmonary VentilationRadionuclide ImagingBiopsy, NeedleRespiratory Tract DiseasesUltrasonographyDiagnostic Techniques, EndocrineTime FactorsEvaluation Studies as TopicBronchoscopyBiopsySpirometryBiopsy, Fine-NeedleMicroscopyMagnetic Resonance ImagingBacteriological TechniquesProspective StudiesRetrospective StudiesLocusta migratoriaDiagnostic Techniques, CardiovascularPulmonary Gas ExchangeRespiratory ParalysisThoraxFecesEnzyme-Linked Immunosorbent AssayDog DiseasesRespiratory Distress Syndrome, AdultInfant, NewbornRespiration DisordersTotal Lung CapacityMycosesCytochromesTracheaContrast MediaRespiratory Tract NeoplasmsDiagnostic ErrorsVentilators, MechanicalPulmonary AtelectasisDogsOxygenLung DiseasesThoracic WallOxygen ConsumptionImmunoenzyme TechniquesRespiratory InsufficiencyPrevalenceResidual VolumeDNA, BacterialPlethysmography, Whole BodyPressureRisk FactorsTreatment OutcomeHospitals, CountyMethacholine ChlorideRespiratory RateBronchoconstrictor AgentsBiological MarkersCarbon DioxideMolecular Sequence DataElasticityDinosaursModels, BiologicalAirway ObstructionExpiratory Reserve Volume