ChinchillaOtitis MediaEar, MiddleBasilar MembraneCochlear NerveTympanic MembraneCochleaCochlear Microphonic PotentialsRodent DiseasesEustachian TubeEar OssiclesHaemophilus influenzaeSemicircular CanalsOtitis Media with EffusionMycotoxicosisScala TympaniAcoustic StimulationNasopharynxHaemophilus InfectionsSoundRodentiaAuditory ThresholdAcoustic Impedance TestsVestibular NerveEar AuricleEar CanalBone ConductionAcoustics