ChinchillaOtitis MediaEar, MiddleBasilar MembraneCochlear NerveTympanic MembraneCochleaCochlear Microphonic PotentialsEustachian TubeEar OssiclesHaemophilus influenzaeSemicircular CanalsOtitis Media with EffusionMycotoxicosisScala TympaniNasopharynxHaemophilus InfectionsAcoustic StimulationSoundAuditory ThresholdAcoustic Impedance TestsVestibular NerveEar AuricleEar CanalBone ConductionAcoustics