Diagnostic Techniques, Digestive SystemDiagnostic Techniques, Respiratory SystemRespiratory SystemDiagnostic Techniques and ProceduresSensitivity and SpecificityLung ComplianceMolecular Diagnostic TechniquesRespiratory MechanicsCentral Nervous SystemRespiratory Physiological PhenomenaAirway ResistanceDiagnostic Techniques, RadioisotopeDiagnostic Techniques, OtologicalDiagnostic Techniques, SurgicalNervous SystemRespiratory System AbnormalitiesPolymerase Chain ReactionAzure StainsDiagnostic Techniques, UrologicalLung Volume MeasurementsDiagnostic Techniques, Obstetrical and GynecologicalDiagnostic Tests, RoutineLungFunctional Residual CapacityRespirationTidal VolumeClinical Laboratory TechniquesReproducibility of ResultsRespiration, ArtificialAir SacsAir PressureCentral Nervous System DiseasesOscillometryDiagnostic Techniques, NeurologicalTomography, X-Ray ComputedCytodiagnosisRespiratory Function TestsPositive-Pressure RespirationPredictive Value of TestsPeripheral Nervous SystemParasitologyPulmonary VentilationRadionuclide ImagingBiopsy, NeedleRespiratory Tract DiseasesTime FactorsDiagnostic Techniques, EndocrineUltrasonographyEvaluation Studies as Topic