title: On the change in the acoustic impedance of the ear as a measure of middle ear muscle reflex activity.
mesh_terms: D000161:Acoustic Stimulation; D000818:Animals; D003051:Cochlea / Q000502:physiology*; D004432:Ear, Middle / Q000294:innervation; D004576:Electromyography; D006320:Hearing Tests; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*; D011817:Rabbits; D011930:Reaction Time; D012018:Reflex; D014432:Tympanic Membrane / Q000502:physiology*