Ear, MiddleOtitis MediaEustachian TubeChinchillaOtitisOtitis Media with EffusionMiddle Ear VentilationCholesteatoma, Middle EarEarOtitis Media, SuppurativeEar OssiclesTerminaliaTympanic MembraneEar DiseasesEar, InnerOtitis ExternaHearing LossEar NeoplasmsEar CanalAcoustic Impedance TestsEar, ExternalMalleusStapesPneumococcal InfectionsOtoscopyMastoidTemporal BoneStreptococcus pneumoniaeIncusOceanic Ancestry GroupHearing Loss, ConductiveOtologic Surgical ProceduresOssicular ProsthesisTympanoplastyStapediusBacterial Outer Membrane ProteinsRound Window, EarHearingTensor TympaniBone ConductionHaemophilus influenzaeRecurrenceTympanic Membrane PerforationStapes SurgeryCochleaCholesteatomaOtoacoustic Emissions, SpontaneousLogistic ModelsHaemophilus InfectionsEar CartilageHearing Loss, Mixed Conductive-SensorineuralOtosclerosisNasopharynxAudiometry, Pure-ToneOval Window, EarMiddle Cerebral ArteryMastoiditisRod Cell Outer SegmentVibrationAudiometryGerbillinaeSoundMucous MembraneEar AuricleReflex, Acoustic