MasksLaryngeal MasksRespiratory Protective DevicesIntubation, IntratrachealPerceptual MaskingManikinsAir PressureDisposable EquipmentEquipment DesignFiber Optic TechnologyAnesthesia, GeneralPositive-Pressure RespirationLaryngoscopyRespiration, ArtificialTidal VolumeOxygen Inhalation TherapyCricoid CartilageVentilators, MechanicalAirway ObstructionRespiratory InsufficiencyDramaAnesthesia, InhalationInhalation SpacersProtective ClothingContrast SensitivityAplysiaSensory ThresholdsLens Capsule, CrystallineNoninvasive VentilationAerosolsPressureMuscle SpindlesInvertebrate HormonesIntermittent Positive-Pressure VentilationPharyngitisLaryngismusPsychophysicsResuscitationLarynxNeuromuscular BlockadeGastric DilatationEye Protective DevicesAnesthesiaPolyvinyl ChlorideEpiglottisTime FactorsIntubationNebulizers and VaporizersDrug PackagingRespirationPhotic StimulationCross-Over StudiesAirway ManagementPattern Recognition, VisualSubliminal StimulationMotor Neurons, GammaAir MicrobiologyPneumonia, AspirationImmobilizationContinuous Positive Airway Pressure