ChinchillaOtitis MediaEar, MiddleBasilar MembraneCochlear NerveTympanic MembraneCochleaCochlear Microphonic PotentialsEustachian TubeEar OssiclesHaemophilus influenzaeSemicircular CanalsOtitis Media with EffusionMycotoxicosisScala TympaniAcoustic StimulationNasopharynxHaemophilus InfectionsSoundAuditory ThresholdKiller Cells, NaturalAcoustic Impedance TestsVestibular NerveEar AuricleEar CanalAcousticsBone Conduction